From mountain hikes to building sites, Stanley's range of insulated bottles, mugs and flasks are world-renowned for quality and fuss-free performance. That's why this product comes with a lifetime warranty.Recycled Stainless Steel 4D Thermology technology for superior insulation0.7mm 18/8 stainless steel for exceptional durability Double wall steel cupCork inlay details and cork top steel-lined stopperNo plastic contact, naturally BPA FreeLeakproof + packableDishwasher safeWeight:885Dimensions:99 x 99 x 324 in._