Fabric dog waste bag dispenser has a plastic hook so you can attach it to leash. Velcro closure provides practical access sou you can refill bags easy. You can wrap it around the leash so the dog waste dispenser is always in one place and does not hang. You can purchase the Earth Rated Eco-Friendly Scented Bags – biodegradable, strong, green lavender scent. Thanks to hook, you can attach dog poop bag holder to leash, d-ring, keys, belt loop, jacket or anything you’d like.