• plastic
• Swim for pool--this diving set is an excellent training tool for underwater swimming training, can use them to have different games,pool diving
• Pool sticks for --while playing, can also enjoy swimming pool fun and their swimming skills, swimming pool
• Swimming for --edges design smoothness and these diving are , you don't need to worry about hurting your hands, pool stick
• Diving rings--bright colors and nice shape can help stimulate your vision, encourage them to touch and explore,sinking
• diving --with this creative diving , babies will be very exciting and enjoying their diving time,pool diving