Hydro Flask All Around 22 oz Stainless Steel Tumbler with Lid Indigo Navy blue! Hydro Flask All Around Stainless Steel Tumbler with Lid and Double-Wall Vacuum Insulation. Has discoloration on sides as shown. Please see pictures carefully. About this item TempShield️ double-wall vacuum insulation protects temperature for hours. Color Last powder coat is durable, sweat-free and colorful Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer.