Features: brand new and high quality Unique Design: Smooth wooden container, splash proof. Easy to disassemble and clean. Convenient for Observation: One side high-permeability acrylic, clear and transparent, which is easy to observe hamster bathing, playing and digging. Material: Made of wood and acrylic, environmentally friendly material, non toxic, odorless, safe, durable, resistant to biting. Suitable for: The hamster bath sand basin is recommended for syrian hamsters, mice, chipmunks, chinchillas, young squirrels, lemmings, junior guinea pigs, or or other small pets animals. Large Space: Entrace is about 2.4" (6cm) in diameter. We offer 3 sizes to meet your different needs. Specifications: Material: Wood, Acrylic Color: Wood Color+Transparent Size (Approx.): Entrance Diameter 6cm/2.36in S-15x15x15.5cm/5.91x5.91x6.10in M-20x16x18.5cm/7.87x6.30x7.28in L-28x16x18cm/11.02x6.30x7.09in Weight (Approx.): S-500g M-700g L-900g Package Includes: 1 Piece Hamster Bathroom (S/for M/L) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!