Safe Material Can be washed material, made with natural fiber, safe for babies to touch and bite. The mesh panel is also transparent for parents watching their baby's every move. Thicker Steel Tube We use thicker support bars to ensure the stability of the bed rails. So you don't need to worry about the stability of the bed rails and the safety of children. Exclusive Seamless Design Compared to the old bed enclosure, we use a seamless design to prevent items and your children from falling into the gap. Attention: There is only 1 side wall in each package. If you're not sure which size you need, buy smaller sizes than your bed. More size suggestions are BELOW. Note: please MEASURE the size of your bed before purchase. Our suggestion is only a standard reference. If you want to connect to the three walls in the picture, you need to buy 3 side rails depending on the size of the mattress. WARNING: 1. It must to be used in the case of adult care. 2. Only for babies who are using a crib, do not use this bed guard rail instead of a crib. 3. Make sure there is enough distance between the bed and the end of the bed for installation.