CuteNfuzzy s Small Animal 1000D Nylon Hay Pouch Feeder for Guinea Pigs and Rabbits was designed to be an attractive high-quality and long-lasting hay feeder for any small animal. These hay bags are made with a sturdy 1000D nylon material and are reinforced to stand up tough against even the most destructive pets. These bags are great for mess-free easy hay feeding and are designed to allow your pet to freely eat without promoting hay wastage. You ll love how much less hay is wasted and how much cleaner your pet s cage stays with our hay bags! The openings of our hay pouches measure 1.75 by 3.75 and are ideal for guinea pigs or rabbits.Small Dimensions: 9 x 11 x 1.5 Medium Dimensions: 18 x 11 x 1.5