1. The elastic back support helps in the healthy development of children's spine. 2. The various sizes and heights comply with the national education standards and are suitable for children in kindergarten, large, medium, and small classes. 3. The materials are imported plastic, which is molded in one process, recyclable, and durable. 4. They are safe, light in weight, and can be stacked to save space. 5. They are made of imported eco-friendly materials, bright and non-fading, and the quality of the products is not affected by climate temperature differences. 6. There are four colors to choose from: red, yellow, blue, and green for all sizes. 7. For large/medium/small classes, new colors of purple and pink have been added. We have a variety of sizes, welcome to inquire for prices. Our factory specializes in producing: various beach leisure chairs, small folding stools, military cots, reclining chairs, folding tables, tents, sleeping bags, military shovels, hammocks, swing chairs, swings, swings, seat cushions, folding baskets, barbecue stoves, mountain climbing supplies, and other outdoor leisure products.