AGPTEK? Children Flexible Rubber Swing Seat & 1 Pair Snap Hook Screw Lock Clip & 1.5M/5 Ft Waterproof Full PVC Coated Chain for Swingset Swing Seat Make playtime more fun by installing the polymer Swing Seat in backyard. This outdoor swing seat is sturdily crafted with quality materials to ensure safety. It features rein-forced nylon grommets for durable use, and is flexible and comfortable. Soft seat surface is comfortable for child hips. No uncomfortable chains running underneath seat for support.