This patented, bpa-free bottle comes in 16 & 24 ounce sizes and in 4 beautiful finishes: powder coat white, powder coat grey, powder coat black, and colorful paws. Its innovative features include: * made of durable stainless steel * direct drinking from rollerball mouth without messy spills or backwash - simply invert the bottle and water releases when your dog licks the rollerball (slight dripping is normal) * carabiner clip to attach to belt, leash or backpack * wide mouth to easily fill with cool/cold water * easy to clean with warm water and dish soap