Features: High-quality PP plastic material, harmless to pets, durable to use. Auto water feeder with 3.8L large capacity, no need to worry when you go out. Gravity feed water dispenser, with spring in the nozzle, prevents adding water frequently. Anti-slip design in the bottom, wear resistant. Detachable design, easy to assemble and clean. Perfect pet bowl designed for cats and dogs. Meet about 3-7 days water feeding needs of samll dogs/ cats. Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding.