Cotton rope helps brush teeth, massages the gum, and is used for training, and games. Our Natural Hemp Rope Ball is made from 100% hemp rope and 100% sustainable cotton inside. SIZE 3 Inches (7.6 cm), 3.5 oz Weight NOTE We always recommend that your pup enjoys this toy under supervision and if you notice that it has been chewed apart or there are any loose pieces you take the toy from your pup right away. Knotty Pawz Team