The inflatable swim ring is made of environmentally friendly PVC. The pool rings make customer in safe situation when they swim in the pool, pond, river, sea and so on. This inflatable ring meet the most stringent safety standards, undergoing intensive testing to ensure years of safety and satisfaction. This product is made of Eco-friendly PVC material, normal thickness is 0.18mm, suitable for adults and different ages children. Print your logo on it, an ideal choice for advertising.