Specification Binding : Misc. Brand : Penn Plax Label : Penn Plax, INC. Manufacturer : Penn Plax, INC. Model : REP51 PackageDimensions_Weight : 0.15 PackageDimensions : L:21.25196848226 X W:1.99999999796 X H:1.99999999796 PartNumber : REP51 ProductGroup : Pet Products ProductTypeName : PET_SUPPLIES Publisher : Penn Plax, INC. SmallImage_Height : 31 SmallImage_URL : http://ecx.images-amazon.com/images/I/512v0tRkNkL._SL75_.jpg SmallImage_Width : 75 Studio : Penn Plax, INC. Title : Pennplax Brick/Boulder Double Back Background for Reptiles and Amphibians Weight : 0.2 WeightUnit : pounds