1. [ Food Grade Material ] -- Made of food grade plastic, environmentally safe, non-toxic, BPA Free. Protect your pet's health. 2. [ Automatic Supply ] -- Adopt Natural gravity supply system, no electricity required, Eco-friendly and can be used anywhere. 3. [ 3.8L Big Capacity ] -- Both feeder and waterer measures 35.5 x 17.5 x 27 cm / 13.97 x 6.89 x 10.63 inch. Large capacity 3.8L, can last about 7 days for small pets, 3 days for big pets, you can rest assured to go on vacation, work, party, do not have to worry about pets will be hungry. 4. [ Humanization Design ] -- 15 degree carefully slope design, will not stuck the food. Non-skid rubber feet for secure placement. The upgraded base is thicker and heavier, will not tip over.