Features: Keep your mattress securely in place with these alloy mattress grippers, featuring slip resistant designs that ensures stability and prevents shifting during use. Crafted from corrosions resistant alloy, this 4pieces set requires easy installation and maintains durability far to plastic through years of repeated adjustments. For active households, frequent movers, and hospitality businesses seek bed safety solution that accommodate children, pet, or high traffics sleeping arrangements. Multifunctional as furniture stabilizers for sofas, chairs, or headboards in bedrooms, guest rooms, rentals, and dormitories where accidental slips cause discomfort or hazards. The sturdy alloy construction prioritizes user safety while providing shoppers with reusable to disposables plastic bed accessories. Specifications: Materials: Alloy Color: Black Size: 26.5x8x9cm/10.43x3.15x3.54inch Package Includes: 4pcs Mattress Grippers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.