Strong double-sided adhesive, effectively and firmly adhered to the bed frame. High quality stainless steel and alloy material made, effectively protect the wall surface and keep the bad sturdy. Can be used for bed, cabinet, chair, sofa and other objects placed against the wall. Item Name: Bed Frame Anti-shake Tool Material: Stainless Steel, Alloy Features: Durable, Easy to Install, Wall Protection Tool Quantity: 2Pcs/Set Adjustable Size: S: 30mm - 38mm/1.18" - 1.49", M: 38mm - 46mm/1.49" - 1.81", L: 46mm - 56mm/1.81" - 2.20", XL: 56mm - 76mm/2.20" - 2.99", XXL: 75mm - 93mm/2.95" - 3.66", XXXL: 93mm - 120mm/3.66" - 4.72" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Bed Frame Anti-shake Tools