New magnetic koozies from Cooler Comrade stick them to your shop, truck, beer fridge, and even the blackstone! Made of high quality neoprene material. Strong enough to hold two full cans and will still store on your cooler straps! Regular Koozies are for your typical soda and beer cans and the slim Koozies will fit your White Claw, Truly and 12oz RedBull cans.