1,HIGH QUALITY: High quality plastic material,easy to use, each pad can be stacked to form any thickness to fit. They can compress to some degree as needed to achieve a . You don't need tools to separate them, The thin plastic joint can be easily torn apart by hand. 2,ADEQUATE QUANTITY and SIZE: Each order contains 12 strips of red outlet spacers, with 4 pieces in each strip, as much as your family needs at one time.Individually electric spacer measure 0.78 x 0.78 inch and stacked up is 0.25 inch in thickness. 3,WIDE USAGE: Our outlet spacers are universal for most switch of outlets in any office and home. These spacers can effectively prevent and repair switches that are prone to sinking or loosening due to long-term use and external forces. Keep your outlets stable and level for a long time and maintaining a neat appearance. 4,EASY to INSTALL: First , You can use a screwdriver to remove the outlet you want to repair; Then stack the electrical box spacers to the thickness you want; At last, please insert them behind the screw and tighten the screws. You can trust that your devices remain safely plugged in without any risk of loose. Color: Red Material: plastic Package Contents: 48 x Switch and Receptacle Spacers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.