The Le Bistro Automatic Dog Feeder is designed to provide a steady flow of food for up to seven days. The base is made of durable polyethylene, making it crack and chew-resistant. The top-loading hopper of the automatic feeder is easy to fill. Because the hopper is transparent, you'll know at a glance when it's time to refill. Great for indoor or outdoor use, and they're easy to clean. Manufactured with Microban® for antimicrobial protection against bacteria, mold, and mildew. Pet Dog Food Feeders are available in the sizes listed below. Matching automatic dog water bowl is available.