Specification Binding : Misc. Brand : Penn-Plax Label : Penn Plax, INC. Manufacturer : Penn Plax, INC. Model : FORB1 PackageDimensions_Weight : 0.59999999949684564 PackageDimensions : L:3.899999996022 X W:2.399999997552 X H:0.399999999592 PartNumber : FORB1 ProductGroup : Pet Products ProductTypeName : PET_SUPPLIES Publisher : Penn Plax, INC. SmallImage_Height : 74 SmallImage_URL : https://m.media-amazon.com/images/I/515oecGOeEL._SL75_.jpg SmallImage_Width : 75 Studio : Penn Plax, INC. Title : Penn-Plax Small Rock On Unit C Marble Weight : 0.6 WeightUnit : pounds