The Hydro Flask® 20 oz TempShield® double-wall vacuum insulation keeps drinks cold up to 24 hours and hot up to 12. Flex Sip™ Lid is leakproof when closed and designed for transporting hot beverages. Made with 18/8 pro-grade stainless steel for durability, pure taste, and no flavor transfer. Wide Mouth opening is ice-cube friendly. Color Last™ powder coat is durable and sweat-free. BPA-Free. Hand wash only. Water bottle sized at 9.3"H x 2.9"W x 2.9"D. Sysdig logo laser engraved.