TempShield double-wall vacuum insulation Flex straw cap is leakproof when closed Made with 18/8 pro-grade stainless steel Color Last powder coat is durable & sweat-free BPA-free & dishwasher safe A wide mouth water bottle with a leakproof flex straw cap. Easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours and hot for up to 12 hours.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }