In stock SKU MK101BK

Black Marsh 88 Valve Markers 12/Case MK101BK

$34.58 / case of 12$2.88 per unit
= 12 units · Item subtotal $34.58

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Volume pricing — applied automatically in the cart
Quantity (case)Item-subtotal discount
1–2Base item price
3–53% off qualifying item subtotal
6+5% off qualifying item subtotal
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Shipping & returns details

Ships from U.S. warehouses. 30-day returns on unopened stock items.

Shipping cost and timing depend on the product, quantity and destination. Parcel or freight service is used as appropriate. Shipping discounts apply only to qualifying orders and rates.

Standard delivery is to street addresses in the contiguous U.S. Eligible returns must be unused and in original packaging; return shipping may apply.

Shipping policyReturn policy

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Inside dimensions N/A × N/A
Board / material Ink
Color Black
Freight class Class 60

From our customers

“The packaging is sturdy, well-made, and looks professional. We’re really pleased with the quality.”

Kerri PorterAmerican Vulkan

“They helped us choose the right packaging for our products and made ordering easy.”

Scott HobbsPackrift customer

“Ordering was easy, everything arrived as described, and we’ll definitely order again.”

Cheryl ChristSimply Home Relocation
Questions before you order?Talk to us

Specifications

Inside dimensionsN/A × N/A (L × W)
Board / materialInk
ColorBlack
Sold asCase of 12
Physical units per order increment1
Case weight0.76 lb
Outer carton (shipping)6.0 × 2.75 × 2.0 in
LTL freight classClass 60
SKUMK101BK

About this item

SKU MK101BK — N/A × N/A, Ink, Black. Sold as a case of 12, shipped from US warehouses.

Black marsh 88 valve markers 12 per case. Writes on boxes, drums, and shipping surfaces. Sold 12 per case. Also called marking supplies. For labeling and marking across the warehouse. Mark cartons, pallets, and inventory so they read at a glance. For carton marking and stencil work. A marking staple for shipping and receiving.

Common questions

Will the Black Marsh® 88 Valve Marker work on wet or damp cardboard?
Yes. The waterproof dye-type ink formula is specifically engineered to mark porous surfaces effectively, even in humid warehouse environments. Fast-drying properties prevent smudging on corrugated boxes exposed to moisture during handling and storage.
How long do these markers last for typical warehouse operations?
Each disposable marker provides extended marking coverage for high-volume shipping operations. Exact usage depends on marking frequency and pressure applied, but a case of 12 is designed for standard warehouse marking needs across multiple shifts.
Can I use Black Marsh® 88 markers on non-porous surfaces?
These markers are optimized for porous surfaces like corrugated cardboard and wood. For non-porous materials, we recommend our specialized non-porous surface marker lines for best results and compliance with shipping label standards.
What makes the Black Marsh® 88 better than standard ballpoint pens for shipping room use?
Valve markers deliver bold, waterproof marks that withstand the rigors of industrial shipping environments. The pigmented dye ink provides visibility on cardboard and wood compared to ballpoint pens, reducing labeling errors and improving shipping room efficiency.

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Questions on specs or freight?

Send the SKU, quantity, and delivery ZIP and we will confirm specs, availability, and freight before you order.