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Black neoprene insulated lunch bag, collapsible, zip closure

No Sew

No Sew LB31-BLK Insulated Neoprene Lunch Bag

SKU CH-MDFZ-NCDK0 MPN LB31-BLK

An insulated neoprene lunch bag that keeps food cold for up to four hours, expands to fit containers, collapses flat and is machine washable

  • SizeOne Size
  • Color familyBlack
  • ActivityCamping
  • Laptop compartment sizeOne Size
  • Length, width and height3.302 L x 27.0002 W x 30.099 H centimeters
  • Pattern styleBlack
  • Neoprene insulation keeps food at temperature for up to 4 hours
  • Flexible material expands for containers then collapses flat for storage
  • Tested lead-safe and free from phthalates, PVC, latex and vinyl
  • Zipper closure seals contents while stain-resistant exterior shrugs off spills
  • Machine washable on cold for easy care, strap removed before washing

Insulated Neoprene Lunch Bag

The No Sew LB31-BLK is an insulated neoprene lunch bag designed for daily commuters and outdoor enthusiasts who need reliable temperature control. Its flexible wetsuit-style material keeps food and drinks at serving temperature while the exterior stays dry and condensation-free during transport.

Expands For Meals Then Stores Flat

This bag replaces rigid lunch boxes that waste space when empty; the neoprene stretches to fit meal-prep containers and water bottles, then collapses completely flat for drawer or cupboard storage. The jump is worth it when you carry varied container sizes but have limited storage at home or work.

Commuters Needing Machine-Washable Convenience

It suits professionals and campers who want a lightweight, lead-safe bag free from phthalates, PVC, latex and vinyl that can be tossed in a cold wash and drip-dried. Buyers who require more than four hours of insulation depending on external temperatures or need a structured hard-shell case should look at something else.

How it compares

Measured against everything we stock in Utility & Everyday Bags, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 75% of the 2,172 comparable items (median $23.99).

Specifications

Product
Brand nameBuilt NY
Model nameLB31-BLK
Part numberLB31-BLK
Product colorBlack
Color familyBlack
Pattern styleBlack
Size & build
SizeOne Size
Laptop compartment sizeOne Size
Length, width and height3.302 L x 27.0002 W x 30.099 H centimeters
Main materialNeoprene
Product weight0.1651 kg
Compatibility
Compatible screen sizeOne Size
More details
Age groupAll
ActivityCamping

Questions about this item

How much space does the collapsed neoprene bag need in a drawer?

It folds flat to about 3.302 cm thick, 27.0002 cm wide and 30.099 cm high, so it fits in a shallow drawer or shelf gap.

What is the correct way to machine-wash this lunch bag?

Remove the strap first, wash on a cold cycle, then drip dry; skipping the strap removal can damage the hardware.

When should the neoprene insulation be replaced?

The neoprene body is not a replaceable component; if the material tears or the zipper fails after extended use, the whole bag is replaced.

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