Target audience6-36 months' kids; outside diameter: 19.8'' (50 cm) when inflated; inside diameter: 8.9'' (22.5 cm); PVC MaterialThe toddler swim ring uses environmentally friendly non-toxic thickening material PVC, smooth and soft surface, high transparency, care for the baby's skin.Long service life. No irritating odor. Resistant to UV rays, preventing discoloration or cracking of the inflatable ball. Increase Inside SizeThe baby swim ring increases the inside size of the baby's rings in the seat ring to effectively solve the problem of fat legs. With Dual HandleThe swimming ring baby inflatable seat can exercise your baby's hand strength and grasping ability. Help parents adjust the baby's swimming direction. Enjoy the fun of swimming pool toysInflatable innovative learning swimming ring, for playing and enjoying the joy of summer. Beach trips, family trips, family baths, Kids like to be active in the water, this will be the best gift for children.