KEEPS COLD UP TO 9 HOURS. Our copper coated insulated can coozies are double-walled and vacuum sealed with thick, 304 grade 18/8 stainless steel. | FITS MOST 12oz CANS including the most popular canned beer, bottle beer, sodas, and sparkling seltzer waters. Plus fits most standard cup holders including most standard golf carts. | SLIP-FREE, SCRATCH-FREE, NOISE-FREE SILICONE BASE keeps your beer can coozie from tipping over or making too much noise when you set them down. | DISHWASHER SAFE beer bottle coozies for easy cleaning. All Swig Life combo can coolers are top-rack dishwasher safe. | OVER 40 COLORS AND PRINTS to choose from makes our Swig Life combo can insulated coozies the best beer gift for women, men, her, him, mom, dad, teachers, coworkers, best friends, bridesmaid, bachelorette, birthday, Valentine's Day, Mother's Day, Holiday and Christmas.