Fast-absorbing, multi-layer pet diapers, suitable for waists 15-30cm. - Size: S (Waist: 15-30cm, Weight: 1.5-4kg) - Materials: Macromolecules, absorbent resin, non-woven fabric, PE waterproof film, imported wood pulp - How to use: Wrap around the dog's groin area - Durability: Expiration date: 3 years - Features: Fast absorption, multi-layer structure, flexible waist Thank you for viewing. I just bought these, but I didn't use them. There's a crack, possibly due to shipping. The contents are new. I will give them to someone who will use them. ⚠︎ When shipping, I will package them within 7cm. I will open the package during shipping.