- However, please note that the material is not flexible, so please measure your pet’s neck circumference with 2 extra finger lengths before ordering. 2. The collar is made of eco-friendly cotton material, which will not damage pet’s skin. The buckle and D-ring are made of quality handcrafted metal for durability and security. Note: Because the fabric is randomly cut, the pattern does not look exactly like the picture. 3. Each bow tie is sewn by hand and has elastic bands on both sides that can easily be attached to any type of collar. 4. We choose special designs to match your unique love for pets. Soft cotton and new patterns make your dog the cutest.