PREMIUM MATERIAL WORKMANSHIP: Our dog life jackets are made of high-density and abrasion-resistant oxford and breathable sand mesh fabric and filled with EPE (pearl cotton) foam that can provide enough buoyancy. Besides, our fine workmanship makes the life vests for dogs ripstop and allows for quick drying and proper drainage. ENHANCED BUOYANCY SECURITY: Pet Life Jacket is constructed with premium EPE pearl cotton to provide enough buoyancy when your dog swimming without tired feeling great a