Large Thermal Bubble Envelopes Set: 30 pack 11 x 15 inch silver thermal bubble mailer envelopes, designed for larger insulated mailing needs, apparel packaging, food delivery, sample transport, and daily order fulfillment
Thickened Insulated Material: made with silver aluminum foil and inner bubble cushioning, these insulated delivery bags help reduce heat transfer and provide basic protection for items that need thermal bags for cold food, cosmetics, accessories, and retail products
Self Adhesive Secure Adhesive: each envelope has a self adhesive Adhesive for easy packing, once sealed, opening may leave visible marks, the smooth metallic surface supports mailing labels and stamps, useful for online sellers building a simple cold delivery kit
Protective Mailing for Bigger Items: insulated bubble envelopes help cushion clothing, scarves, cosmetics gift sets, snack bundles, pet food samples, books, documents, small seafood packs, and larger flat products during mailing
Useful Delivery Size: suitable for sellers who need more room for temperature sensitive products, can be used with cold packs alongside insulated delivery boxes, meal prep bags, and frozen food packing workflows
