TempShield double-wall vacuum insulation Multi-use design works as a can/bottle cooler & 12oz beverage cup Fits most cup holders Flex collar locks in the cold with a snug fit Made with 18/8 pro-grade stainless steel Color Last powder coat is durable & sweat-free BPA-free & dishwasher safe This stainless steel insulated bottle and can cooler keeps a 12oz beer or soda cold. Prefer a cup? Pop off the flexible collar and it is a 12oz outdoor tumbler. Fun colors, great design. This cooler cup combo is your go-to for parties and picnics. Compatible with small closeable press-in lid, small press-in straw lid.