Adjustable Door Bell: Customizable to fit various door sizes and heights, ensuring every pet can comfortably reach the bell, streamlining the training process. Stainless Steel Bells: Known for their robustness and resistance to corrosion, these bells deliver a crisp, clear sound that catches your attention, perfect for potty training. Durable Nylon Material: Reinforced with strength and flexibility, our doorbell withstands the test of time, offering peace of mind and value for money. Safe & Non-Toxic: Prioritizing your pet's health, our product is crafted using materials free from harmful substances, ensuring a safe environment for your beloved animal. Interactive Toy: Beyond training, this bell doubles as an engaging toy, encouraging physical activity and mental stimulation, keeping your pet entertained and active. Revolutionize your pet's training regime with our Adjustable Door Bell. Perfectly sized at 4x7cm, it's both safe and non-toxic, providing a reliable tool for potty training while doubling as an interactive toy to enhance communication and bonding. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia