• Set of 4 adjustable anti-shake tools for bed frame, with 2 pieces size M and 2 pieces size L • Each size M includes: wall stopper, round sticker, EVA cushion, and adjustable screw (50-70 mm) • Each size L includes: wall stopper, round sticker, EVA cushion, and three adjustable screws (50-100 mm) • EVA cushions prevent headboard movement and protect walls from damage • Reduces noise and improves headboard stability, contributing to a more peaceful sleep • Easy and quick installation, no drilling required; just stick and adjust the length with the screws • Can be used on beds, wardrobes, sofas, chairs, and other furniture that rests against the wall • Helps maintain furniture stability and prevents unwanted movement or noise