Specification Binding : Misc. Brand : Penn-Plax Label : Penn Plax, INC. Manufacturer : Penn Plax, INC. Model : BA637 PackageDimensions_Weight : 0.59965735264 PackageDimensions : L:12.299999987454 X W:9.099999990718 X H:0.49999999949 PartNumber : BA637 ProductGroup : Pet Products ProductTypeName : PET_SUPPLIES Publisher : Penn Plax, INC. SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/51ar2L4CK-L._SL75_.jpg SmallImage_Width : 75 Studio : Penn Plax, INC. Title : Penn-Plax Gravel Paper for Bird Cage, 9 by 12-Inch | Great for Hard-Billed Birds | Safe, Clean and Easy for Improved Digestion (BA637) Weight : 0.6 WeightUnit : pounds