For those who have metal bed frames, the mattress and sofa anti-slip fixator is an excellent choice. Its robust design ensures that it can withstand the weight and pressure of the mattress, providing a secure hold. Simply place the fixators at strategic points along the bed frame to keep the mattress in place. This product is also suitable for use with sofa cushions, ensuring they remain firmly positioned. Features - Color: Black -Material:Iron - Size: 12.00X9.50X5.00cm/4.72X3.73X1.97in -Stability assurance: keeps your mattress and sofa securely in place, preventing unwanted movement and ensuring a tidy appearance -Installation: simply clip the stabilizer between the mattress and bed frame for a quick and easy setup without tools -Damage protection: ensures that neither your mattress nor your bed frame will be , preserving their longevity -Universal fit: compatible with a wide range of mattresses and sofas, providing a versatile solution to mattress slippage -Adjustable fit: the stabilizer can be adjusted to fit various mattress sizes, ensuring a secure fit for any bed Package list: 2 x Mattress Gripper, 4 x Screws