Honeycomb Insulation for maximum temperature retention Leakproof when paired with Hydro Flask Wide Mouth Bottles Durable, stainless steel pivots allow the strap to move easily Flex Strap is easy to transport and comfortable to carry BPA-Free Dishwasher safe The classic insulated bottle cap with stainless steel pivots and a flexible strap.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }