【Sturdy Small Animal Backpack】Including 1 black backpack, 1 transparent sand habitat and 500g hamster sand bath in the package. 【Breathable Design】3 large ventilation holes (diameter is 0.75’’) in the front of bubble window and 2 on the side of backpack. Extra 1 mesh window on on the side for your fur-kids to go in-and-out. 【360°Panoramic Observation】Hamster bathtub, high-definition transparent material, allowing you enjoy watching your fur friend bathing, playing and digging. Have fun with your pets. 【Easy to Clean】Hamster sand bath container is easy to open and close, smooth acrylic is easy to wash dirty stuff away and keep your pet clean and healthy. 【Soft Bathing Sand】 Natural Small Silica sand, ideal for small animal sand bath, building a habitat of nature scene. It’s non-toxic and absorbent fine sand that help remove excess grease and dust from your pet, keep the little pet dry and clean. LAIRIES