{"product_id":"5x4x4-ect-32-kraft-corrugated-boxes-standard-strength-shipping-bundle-of-25","title":"5x4x4 ECT-32 Kraft Corrugated Boxes - Standard Strength Shipping, Bundle of 25","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003e5x4x4\" single-wall kraft corrugated shipping box rated ECT-32 (standard strength shipping), sold in a bundle of 25. A standard regular slotted container (RSC) sized for parcel shipping and small-parts fulfillment.\u003c\/p\u003e\n\u003ch3\u003eSpecs at a glance\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eSingle-wall kraft corrugated box (RSC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside dimensions (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e5 x 4 x 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall type\u003c\/th\u003e\n\u003ctd\u003eSingle wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEdge crush test\u003c\/th\u003e\n\u003ctd\u003eECT-32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eKraft brown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBoxes per bundle\u003c\/th\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBest for\u003c\/h3\u003e\n\u003cp\u003eBest for ecommerce, subscription, and warehouse teams shipping small-parts orders, replacement parts, accessories, and lightweight kits. The 5x4x4\" footprint keeps dimensional weight low for parcel carriers while still offering ECT-32 stacking strength — the workhorse spec for boxed parcel shipments under roughly 65 lb.\u003c\/p\u003e\n\u003ch3\u003eWhen to use this product\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSmall-parts and accessory shipments where a flat mailer or poly bag would not protect the contents.\u003c\/li\u003e\n \u003cli\u003eSubscription, sample, and DTC ecommerce orders that need a clean kraft presentation and standard parcel protection.\u003c\/li\u003e\n \u003cli\u003ePick-and-pack lines that need a consistent, pallet-stackable carton at predictable cost per box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to choose something else\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eChoose a larger size if your product fits with less than ~1\" of clearance on any side — tight packs are more likely to burst at the seams.\u003c\/li\u003e\n \u003cli\u003eChoose ECT-44 or ECT-48 double-wall if the gross weight exceeds ~65 lb or the box will be stacked deep on a pallet.\u003c\/li\u003e\n \u003cli\u003eChoose a poly mailer or bubble mailer for soft, non-fragile goods where dimensional weight matters more than rigidity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNeed help choosing a size or strength?\u003c\/h3\u003e\u003cp\u003eNot sure if this size, board grade, or wall type is right for your shipment? Read the \u003ca href=\"\/pages\/corrugated-boxes-guide\"\u003eCorrugated Boxes Buying Guide\u003c\/a\u003e for a full walkthrough of corrugated specs, or use the \u003ca href=\"\/pages\/box-size-calculator\"\u003eBox Size Calculator\u003c\/a\u003e to find the box dimensions that match your product. For strength selection specifically, see the \u003ca href=\"\/pages\/32-ect-vs-200-lb-test-guide\"\u003e32 ECT vs 200 lb Test Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does ECT-32 mean?\u003c\/strong\u003e\u003cbr\u003eECT stands for Edge Crush Test. ECT-32 board can withstand 32 pounds of force per linear inch on its edge before failing. It is the carrier-recognized strength spec for parcel shipping. See the \u003ca href=\"\/pages\/32-ect-vs-200-lb-test-guide\"\u003e32 ECT vs 200 lb Test Guide\u003c\/a\u003e for a full breakdown vs. the older 200 lb burst test.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this box single-wall or double-wall?\u003c\/strong\u003e\u003cbr\u003eSingle wall — one corrugated medium between two kraft liners. Right for parcel shipments under roughly 65 lb. For heavier or stacked loads, choose a double-wall box.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size product fits in this 5x4x4\" box?\u003c\/strong\u003e\u003cbr\u003eThe listed dimensions are outside dimensions. Internal usable space is roughly 1\/8\" to 1\/4\" smaller per side. Use the \u003ca href=\"\/pages\/box-size-calculator\"\u003eBox Size Calculator\u003c\/a\u003e to match your product to the right outside dimensions.\u003c\/p\u003e\n\u003ch3\u003eRecommended add-ons and related links\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEstimate carrier billable weight with the \u003ca href=\"\/pages\/dimensional-weight-calculator\"\u003eDimensional Weight Calculator\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eBrowse the full \u003ca href=\"\/collections\/corrugated-boxes\"\u003ecorrugated box collection\u003c\/a\u003e for adjacent sizes and ECT grades.\u003c\/li\u003e\n\u003cli\u003ePair with \u003ca href=\"\/collections\/carton-sealing-tape\"\u003ecarton sealing tape\u003c\/a\u003e and \u003ca href=\"\/collections\/cushioning\"\u003ecushioning \u0026amp; void fill\u003c\/a\u003e to complete the pack-out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- packrift-enriched --\u003e\n\u003cdiv class=\"packrift-enrichment\"\u003e\n\u003csection class=\"pf-best-for\"\u003e\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cp\u003eIdeal for warehouse managers and fulfillment directors shipping small to medium items up to 5\" x 4\" x 4\". These ECT-32 kraft corrugated boxes deliver reliable standard strength protection at competitive volume pricing, use for e-commerce fulfillment, small parts distribution, and light-duty shipping operations seeking cost-effective packaging solutions.\u003c\/p\u003e\n\u003cp\u003eECT-32 single-wall corrugated construction provides proven stacking strength and edge crush resistance for standard industrial shipping demands. The compact 5x4x4\" footprint maximizes pallet density and freight efficiency, reducing dimensional weight charges while maintaining adequate product protection for most B2B distribution scenarios.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"pf-specs\"\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eECT-32 Single Wall Corrugated Kraft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e5\" L x 4\" W x 4\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEdge Crush Test (ECT)\u003c\/th\u003e\n\u003ctd\u003e32 lbs per inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBundle Size\u003c\/th\u003e\n\u003ctd\u003e25 boxes per bundle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRecyclable\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"pf-use-cases\"\u003e\u003ch3\u003eCommon Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eE-commerce order fulfillment and small parcel shipping\u003c\/li\u003e\n\u003cli\u003eSmall parts and component distribution\u003c\/li\u003e\n\u003cli\u003eLight industrial product packaging\u003c\/li\u003e\n\u003cli\u003eSample shipments and promotional boxes\u003c\/li\u003e\n\u003cli\u003eSubscription box and direct-to-consumer retail operations\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"pf-included\"\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e25 x 5x4x4\" flat corrugated boxes (ready to assemble)\u003c\/li\u003e\n\u003cli\u003eStandard kraft exterior finish with natural flute structure\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"pf-shipping\"\u003e\u003ch3\u003eShipping and Packaging\u003c\/h3\u003e\n\u003cp\u003eBundles ship flat for maximum efficiency. 25-box bundles are stackable on standard pallets, reducing freight costs and warehouse storage footprint compared to pre-assembled alternatives.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"pf-faq\"\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is ECT-32 and why does it matter for my shipping operation?\u003c\/summary\u003e\u003cp\u003eECT-32 (Edge Crush Test) measures corrugated strength at 32 lbs per inch of edge. This standard-duty rating handles typical light-to-medium weight products, small parts, and e-commerce orders. It balances protection with cost efficiency, reducing packaging expenses without sacrificing stackability or freight durability.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many boxes fit on a pallet, and what's the freight advantage?\u003c\/summary\u003e\u003cp\u003eThe 5x4x4\" compact dimensions optimize pallet utilization and reduce dimensional weight surcharges. Each bundle contains 25 boxes; typical pallet configurations accommodate 40-50 bundles (1,000-1,250 boxes), delivering significant per-unit freight savings on bulk orders.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre these boxes suitable for fragile or heavy items?\u003c\/summary\u003e\u003cp\u003eECT-32 single-wall is ideal for standard industrial items, small parts, and light-to-medium products. For fragile goods, consider double-wall alternatives (ECT-44+). For heavier items exceeding 15 lbs, verify stacking limits and consider double-wall reinforcement.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I customize these boxes, and what are typical lead times?\u003c\/summary\u003e\u003cp\u003eStandard kraft boxes ship as-is for immediate availability. Custom printing, sizing, and specifications are available through Packrift's direct sales team. Contact our B2B account specialists for quote turnaround and bulk customization options.\u003c\/p\u003e\u003c\/details\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c!-- \/packrift-enriched --\u003e","brand":"Packrift","offers":[{"title":"Default Title","offer_id":53472907264368,"sku":"544","price":9.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/9159\/2048\/files\/544.jpg?v=1774902203","url":"https:\/\/packrift.com\/products\/5x4x4-ect-32-kraft-corrugated-boxes-standard-strength-shipping-bundle-of-25","provider":"Packrift","version":"1.0","type":"link"}