SET OF 4 BED RISER: The set of 4 bed riser blocks includes 4 pieces of 3" high risers and 4 pieces of 5" high risers. These risers can be used individually to raise your bed 3 inches or 5", as well as stacked to raise a total of 8 inches. HEAVY DUTY QUALITY: This heavy duty bed lifts risers can hold your heavy furniture and will support a total of 1300 pounds. This will fit legs up to 2.75 inches wide to ensure it will fit right. PERFECT FOR BEDS, SOFAS, FURNITURE, AND SO MUCH MORE: Have a bed that's too low and want to lift it? these bed risers are the perfect solution! Have a medical condition and need the sofa more elevated for easier sitting down and standing up? Get these risers to make your life easier and simpler. Space-Saving Storage: Elevate your bed to create valuable storage space underneath, perfect for stashing extra belongings in your dorm room while optimizing the available area.