1. Material: plastic
2. Weight: about 103g/piece for small size, 235g/piece for large size
3. Size: small size is about 17.5x5.8 cm/piece, large size is about 25.3x7.8 cm/piece
4. Applicable objects: both cats and dogs
5. Features: unique shape, beautiful and exquisite, safe and healthy material, smooth inside, easy to clean, stable placement, durable