LALIZAS Pet Retriever Buoyancy Aid No 3 15-40 kg (33-88 lb) | 4BoatsDog buoyancy aid designed to assist flotation and retrieval during water activity. Fit range: 15 40 kg (33 88 lb) Supports flotation for dogs Secure fastenings to keep the aid in place Rescue handle for easy retrieval from the water Quick release buckles for rapid removal Size 3 fits dogs 15 40 kg (33 88 lb). Inspect before use and follow water safety guidance.