- More durable material: The collar is made of 100% cotton and incorporates a sturdy interface. Two thick, high-density cotton fabrics provide softness and durability to the collar. We performed double box sutures at all pressure points to increase strength. 2. Before buying a collar, you need to measure the length of your dog’s neck. It’s best to leave two fingers space for your pet’s comfort 3. Advanced Detail: All collars are strong buckles and welded D-rings for extra durability. Each tie is attached to the collar using two elastic bands and handmade knots. Wash your collar and bow as needed with warm water and mild soap, then air dry. 4. Very light and easy to carry