- Versatile door mounted ping pong trainer with self-adhesive backing and traceless hooks. Mounts on doors or walls without damaging surfaces, providing active, enjoyable play in living rooms, bedrooms, kids rooms, schools and nurseries. - Adjustable length to fit different heights. Customize the trainer to your height for skill practice anytime and anywhere, with no venue restrictions. - Built for long-term use and safety. Made from high-quality materials with smooth rims and corners for kid safety. Odorless construction ensures a safe and sturdy addition to the home or classroom. - Easy installation and removal. Quick setup on doors or walls without tools or damage; disassembly is simple and hassle-free. - Practical use scenarios. Family game nights in the living room; quick classroom or nursery activity to promote hand-eye coordination; kids’ room after-school play and practice sessions.