1.. Before buying a collar, you will need to measure your dog’s neck length. 2. Pure cotton material, soft and comfortable. Made with welded D-rings for added durability. Adjustable straps for maximum comfort and a secure fit, adjustable for a variety of dog shapes, suitable for super small, small, medium and large dogs. 3.: Each bow tie is attached to the collar using of two rubber bands, and the bows are all handmade. The elastic on either side of the knot prevents it from moving on the collar. We double box stitch at all pressure points for added strength. 4. It is also a very light and easy to carry.