Set of 10 Thermal Bubble Mailers, 8 x 11 Inches. These opaque insulated mailers, designed for cold shipping, accommodate a broad spectrum of items, ranging from perishable foods to delicate cosmetics, ensuring the pristine condition of your products upon arrival, every time. Exceptional Material, Outstanding Performance. Crafted from top-notch metallic foil, these insulated mailing envelopes provide unparalleled insulation and waterproofing. They effectively preserve the freshness of temperature-sensitive goods for up to 48 hours during transit. Seal and Dispatch with Thermal Mailers. Featuring a dependable self-seal closure reinforced by a robust adhesive, each insulated shipping envelope guarantees the safety and security of its contents, whether it's bracelets or beauty products. Versatile Shipping Solution. The insulated mailer is the preferred choice for a diverse array of items. Whether you're shipping makeup or perishable foods, the foil bubble mailer's insulated design ensures optimal temperature control, safeguarding the integrity of each item during transit. Enhance Freshness with Practical Tips. Beyond conventional shipping, metallic poly mailers are ideal for picnics or road trips. Combine them with frozen gel packs or pre-chilled items to prolong the cooling effect, ensuring that the contents inside the padded envelopes remain frosty for extended periods.