Weight: 1800g_x000D_ Material: Plastic 11. 4?bed riser set: The 4?Bed Riser Set includes 4 pieces of 3" tall risers and 4 pieces of 5" tall risers. These risers can be used individually to raise your bed 3" or 5", or stacked for a total of 8". 22. Providing storage space and easy to clean: Our bed risers create extra storage space under the bed or furniture, so you can store more clutter or luggage. In addition, it also helps the sweeping robot enter the clean floor. Furniture risers can effectively help you make use of your home space and enjoy the fun of organizing household chores. 33. Heavy duty quality: This heavy?duty bed lift can hold your heavy?duty furniture up to 1800 lbs in total. This will fit legs up to 2.75" wide and casters to ensure it fits. 44. Perfect for beds, sofas, furniture, etc.: Have a bed that is too low and want to lift it? These bed risers are the perfect solution! Have health concerns and need a taller sofa for easier sitting and standing? Get these risers to make your life easier and simpler. 55. Create more storage: Raise your bed or sofa to create more storage. Raise your bed 3, 5, or 8 inches high with these bed risers, these will also make the perfect dorm bed riser to create more space for your college dorm.8* Bed RisersDue to the lighting effects and shooting angles, there is a color difference in the product, please understand._x000D_ Due to manual measurement, there is a tolerance in the product size.