Features 1、Reliable material: the baby walking training ring is made of quality belt and plastic, safe and non-toxic, do not irritate the baby s nose and mouth, strong and durable to use, doing no harm to your babies. 2、Practical design: this pull ring for baby training adopts soft edges for your babies to grasp, suitable for babies from 8 months to 10 months old; Baby pull ring can be hung directly on the edge of the crib, no screws or other tools required; It is recommended that the thickness of the bed board for installing the baby trianing rings is from 1.5 cm to 2 cm. 3、Appropriate size: measuring approx. 19 x 9 x 1.5 cm, the rings for playpen baby crib hooks are easy to carry, and you can use it not only at home, but also on the go, practical and considerate design for you. 4、Great gifts choice: the baby stand up walker pull rings are nice gifts choices for babies to develop eye and hand coordination, visual perception to increase babies flexibility and help them to stand up. Product material: plastic Package List