MP Global's Thermal Envelopes are an environmentally preferred foam-free temperature control mailers which consist of a tough waterproof outer film covering a thick layer of exclusive enhanced cotton insulation. This natural super-insulating material is tested and found to be completely biodegradable in less than one year as verified by ASTM D-6400 and in accordance with the 2013 FTC Green Guidelines. The proprietary inner and outer protective poly films also contain a patented additive that promotes biodegradation in a landfill environment in greater than one year as tested by ASTM 5511; ASTM D5209-91; & ASTM D5338.98.

Sandwiched between the layers of this special poly film is a thick flexible insulation pad made from recycled, purified, and flocked enhanced cotton textiles. These biodegradable cotton fibers offer outstanding insulation value and also help to absorb unwanted condensation from thawing gel packs or accidental spills as the liquid can migrate through the perforated inner poly liner of the envelope. A special antimicrobial is added to the fibers that will aid in the prevention of cross-contamination and offer additional protection in cases of multiple uses.  MP Global’s Thermal Envelopes are available in three sizes and three thicknesses, or they can be custom sized and printed to meet your exact needs.
SMALL Top Load 9"x11"
EZ Load 11”x9”
MEDIUM Top Load 12"x14"
EZ Load 14”x12”
LARGE Top Load 14"x18"
 EZ Load 18”x14”
CUSTOM Custom Build to any size

Note to Purchaser: Neither seller or manufacturer shall be liable for any loss or damage arising out of the use or the inability to use this product. Seller and manufacturer's only obligation shall be to replace product proven to be defective.