• plastic
• Walking rings for --the chic appearance attracts ' attention and helps to color cognition ability,crib pull rings
• exercise rings--can be used for playtime and exercise, helping to build ' strength, a nice helper,walking tools for
• pull up rings for playpen--clip the pull ring on playpen, then encourage your to stand up himself/ by the help of the ring, bed cot ring
• standing -- bed stand up ring is easy to use and light weight, easy for to grasp, comfortable to hold, and won't hurt hands, silicone pull up rings
• Exercise tool --the strap is sturdy enough for your to pull, the clip at the back of pull ring is great for clipping on your bed safely, walking tools