9 1/2 x 12 1/2" White Self-Seal Envelopes Automatic Packing Equipment These boxes are designed to

These boxes are designed to help keep items cold during shipment

Inside dimensions are 12

Tensioner to tighten 1/2" or 3/4" seals on steel strapping

Meets military specifications

Maximize the efficiency of bins by using Bin Divider stock number BINDS23 or Bin Cups Inside Dimensions: 16 1/2 x 3 x 4"

9 1/2 x 12 1/2" White Self-Seal Envelopes Automatic Packing Equipment These boxes are designed toSelf Seal Envelopes make sealing envelopes fast and easy. No moisture needed to seal! Simply peel off tear strip and seal. Tear off strip keeps adhesive free from dust for a longer shelf life. Constructed from durable 28 lb. paper stock.