GoGo's all natural Spiral Bully Stick is from 100% bull pizzle. Each Spiral is between 8" - 9" and weighs a minimum of .45 oz/13 grams. The Spirals are from the full Bully Stick, not cut like other Spirals. Keep in mind, the Spiral Bully Stick is a natural products and weight and size will vary. Product of North or South America.