This mattress stabilizer is an essential accessory for anyone looking to keep their bed in order. Its metal design ensures durability and strength, making it ideal for securing mattresses and sofa cushions. The anti-slip feature keeps that your bedding remains stationary, providing a neat and tidy appearance. Features - Color: Black -Material:Iron - Size: 13.00X12.00X4.50cm/5.11X4.72X1.77in -Prevent mattress movement: effectively secures the mattress, preventing it from sliding and shifting -Adjustable mattress fixer: efficiently holds the mattress in place on the bed frame, preventing the mattress cover from slipping -Nonslip design: prevents the mattress and sofa cushion from moving and sliding -Enhanced stability rail: features increased height and width to more effectively secure the mattress to the bed frame -Versatile compatibility: suitable for most bed frames, including beds, upholstered beds, rv mattresses, metal/wooden bed frames, etc Package list: 2 x mattress anti-slip retainers