TempShield® double-wall vacuum insulation protects temperature for hours Closeable Press-In Lid tames splashes, trap temps and is straw compatible Compatible with Medium Closeable Press-In Straw Lid and Medium Press-In Straw Lid Fits most cup holders 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