{"product_id":"6x4x4-ect-32-kraft-corrugated-boxes-standard-strength-shipping-bundle-of-25","title":"6x4x4 ECT-32 Kraft Corrugated Boxes - Standard Strength Shipping, Bundle of 25","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003e6x4x4\" 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\u003e6 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 6x4x4\" 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 6x4x4\" 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 requiring reliable containment. The 6 x 4 x 4\" kraft corrugated box delivers ECT-32 strength for standard weight products, making it use for e-commerce fulfillment, retail distribution, and general shipping operations where cost efficiency meets performance.\u003c\/p\u003e\n\u003cp\u003eECT-32 single-wall construction provides proven stacking strength and edge crush durability for typical industrial shipping applications. Kraft material offers excellent printability for branding while maintaining full recyclability, reducing waste management costs and supporting sustainability compliance requirements.\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\u003e6\" L x 4\" W x 4\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Kraft Brown\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 retail shipping\u003c\/li\u003e\n\u003cli\u003eSmall parts and component distribution\u003c\/li\u003e\n\u003cli\u003eSubscription box and direct-to-consumer packaging\u003c\/li\u003e\n\u003cli\u003eFood service and specialty item packaging\u003c\/li\u003e\n\u003cli\u003eWarehouse storage and internal logistics\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 flat, knock-down 6 x 4 x 4\" corrugated boxes\u003c\/li\u003e\n\u003cli\u003eReady for rapid assembly and packing operations\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"pf-shipping\"\u003e\u003ch3\u003eShipping and Packaging\u003c\/h3\u003e\n\u003cp\u003eBoxes ship flat in bundled format to maximize freight efficiency and reduce dimensional weight charges. Standard palletization supports high-volume purchasing and organized receiving workflows.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"pf-faq\"\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does ECT-32 mean, and is it suitable for my shipments?\u003c\/summary\u003e\u003cp\u003eECT-32 (Edge Crush Test) indicates the box can withstand 32 pounds of pressure per linear inch when crushed. This is standard strength for light-to-medium weight products—ideal for apparel, electronics, books, and general merchandise. For heavier items, consider ECT-44 or ECT-48 alternatives.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many boxes can I stack safely with ECT-32 rated material?\u003c\/summary\u003e\u003cp\u003eECT-32 single-wall supports typical 3-4 carton stacks in warehouse storage and transit without product damage. Actual stacking height depends on box fill weight and environmental conditions. Always test with your specific product load for optimal safety margins.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre these boxes compatible with standard automation equipment?\u003c\/summary\u003e\u003cp\u003eYes. The 6 x 4 x 4\" dimensions fit most conveyor systems and automated case-packing lines used in mid-sized fulfillment operations. Verify with your equipment manufacturer for gating and sensor specifications.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat's the volume discount structure for high-volume orders?\u003c\/summary\u003e\u003cp\u003eBundled purchasing of 25 units reduces per-unit cost versus individual box purchases. Contact our account team for tiered pricing on orders exceeding 5,000 units or for regular monthly subscriptions with freight optimization.\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":53472906183024,"sku":"644","price":8.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/9159\/2048\/files\/644.jpg?v=1774902186","url":"https:\/\/packrift.com\/products\/6x4x4-ect-32-kraft-corrugated-boxes-standard-strength-shipping-bundle-of-25","provider":"Packrift","version":"1.0","type":"link"}