PoochieBells Premium Webbing Dog Housetraining Doorbell. Individually handcrafted, lead free, USA Made, smooth, safe, reinforced bells are designed especially for your pooch. Look for the PoochieBells authentic Paw Print insignia designating a true PoochieBells®. Each PoochieBells comes complete with two sets of bells measuring approximately 26″ from doorknob or hook, and easy proven training instructions.