ITEM NAME:Outdoor Silicone Round Nonskid Water Bottle Mug Cup Sleeve Cover.Fit your hydro flask! Ideal size for 32 and 40oz wide mouth flasks. Fit: fit your hydro flask(for 32 and 40oz wide mouth flasks). Material: Silicone. Color: As picture shown(at random). Strong resistance to harsh condition like high low temperature and abrasion through year to year, the one with service life.
