Description Insulated Metalized Envelopes, Metallic, 12" x 16" – 1/2" very thick foam with metallized poly exterior. Dual closure with leakproof zipper inside and exterior self-seal strip. Ideal for larger shipments. 1/2" very thick foam with metalized poly exterior Cost effective cold chain system ensures that your valuable temperature sensitive payloads arrive in optimum condition Superior seam strength creates airtight construction and crush resistant bladders Airtight payload chamber with heavy duty FDA approved ziplock closure and a flap down sealing tape Insulated with entangled, multi denier fibers in air still bladder A multi-layered metalized film composite exterior that reflects 97% of radiant heat Inner Dimensions: 12" x 16" Specifications Color Family : Metallic Envelope & Mailer Closure : Peel & Seal Envelope & Mailer Length : 15"-19" Envelope & Mailer Pack Size : 1 to 25 Envelope & Mailer Width : 10"-14" Brand : Nortech Labs Inc Customizable : No Weight : 6.70 lbs. per Box
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