Niteangel Small Animal Sand-Bath Box - Acrylic Critter's Sand Bath Shower Room & Digging Sand Container for Hamsters Mice Lemming Gerbils or Other Small PetsFan Shaped Hamster Sand Bath Container The Dimension of Fan Shaped Small Animal Sandbox: 7. 4 inch L x 7. 4 inch W, Height: 4 inch, the diameter of the entrance on the lid is 2. 7 inch. Due to triangle shape design, it's easy to settle down at a corner in your hamster cages or tanks than the circle one to save spaces. As it's larger than most of the sand bath boxes, please choose the reasonable one and make sure there have enough space to put it down