PoochieBells Classic 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.