Habitrail OVO Truck Carboad Hamster Maze OVO interactive chewable cardboard truck maze is designed to fit various Habitrail habitats or add-ons With pre-cut slots to hold the food or treats in place, the chewable truck is designed to provide hamsters with hours of foraging fun The maze helps satisfy hamster's natural chewing instinct, while providing exercise This product weight is 3-1/2-pound Measures 1-1/2-inch length by 10-inch width by 17-1/2-inch height