The high contoured back and ring combined with an anti-slip seat make this bath ring an extremely safe way to bathe a baby when he or she is beginning to sit up. The six legs screw-fit into the bath ring and four large suction cups on the underside of the seat adjust to fit the shape of your bath providing enhananced safety and stability. Suction cups may not work on all tub surfaces. The smoother the surface the better suction the cups will have. Aquababy Bath Ring - Best Seller! Suitable for babies 7-16 Months max. wt.(28 lbs) Non slip seat Extra Large Suction cups for excellent stability. High contoured back for extra support. Rounded shape gently holds baby while leaving it freedom of movement No assembly or accessories needed. Not suitable for Non Slip surfaces