Wide Mouth Flex Sip™ Lid - magenta, Designed with hot drinks in mind, the Flex Sip™ Lid lets you enjoy your favorite brew or hot beverage leak-free. Designed for transporting and drinking hot beverages Leakproof when closed Easily twist to open, twist to close Fits all Wide Mouth bottles BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer Medium Flex Strap Pack in Southwest: Give your Hydro Flask a personal touch with our Flex Strap Pack. Includes three reversible Flex Straps to mix and match. Pack of three Medium Flex Straps to change up your Hydro Flask Medium size fits Wide Mouth Flex Caps BPA-Free Dishwasher safe Requires Flex Strap Customizer Tool, sold separately