Working Puppy is a progression sleeve for puppies 7-9 months old. Ultra lightweight, soft yet durable. Tugs are great for puppies and advanced dogs. Dean & Tyler Professional Bundle of 8; Two Working Puppy Sleeve (French and Jute) + Six Mixed Tugs; Colors May Vary Two Pocket Tugs (French and Jute) - 12" x 2" + Two Small Tugs (French and Jute) - 8" x 4" + Two Medium Tugs (French and Jute) - 12" x 4" Available in Jute, synthetic French Linen, leather and fire hose material Bite Tugs are available in different sizes Sleeves are ultra lightweight, soft yet durable