Lupine 1/2" x 10-16" Adjustable Dog Collar with Tail Feather Pattern. This collar is perfect for puppies and small dogs, featuring a slightly oversized and easy-to-operate side release buckle for quick and secure fastening. Not recommended for tie-out, it's suitable for dogs up to 10 lbs. Made from durable materials, this collar is guaranteed even if chewed, ensuring long-lasting use.