This 4-piece adjustable children's chair set provides ergonomic seating designed specifically for toddlers and young children in playrooms, classrooms, daycare centers, and home learning environments. Each stackable chair features 3 height adjustment levels to accommodate growing children from toddler through elementary school age. Key Features 3-Level Height Adjustment System Each chair adjusts to three different heights—20.9 inches, 21.7 inches, and 22.4 inches—allowing the seating to grow with your child. Simple screwdriver adjustment ensures proper ergonomic fit for children of varying ages and sizes. Ergonomic Design for Healthy Posture Engineered following children's ergonomic principles with a curved backrest that supports proper spinal development and encourages correct sitting posture during extended use. Ideal for homework, arts and crafts, mealtimes, and reading activities. Durable High-Quality PE Construction Manufactured from premium polyethylene (PE) material that resists fading, cracking, and wear even with daily use. Each chair supports up to 220 lbs, making them suitable for children and adults alike with exceptional durability throughout childhood. Stackable Space-Saving Design Chairs stack neatly for compact storage when not in use, perfect for classrooms, daycare facilities, and homes with limited space. Lightweight construction allows children to move and arrange chairs independently. Waterproof and Easy to Clean Waterproof surface wipes clean effortlessly with a damp cloth, making maintenance simple after messy activities, snacks, or art projects. Ideal for high-traffic environments like schools and daycares. Simple Assembly Quick and easy installation requires only a standard screwdriver. Clear instructions ensure fast setup so chairs are ready for use in minutes. Product Specifications Specification Details Package Dimensions 20.0"L x 14.0"W x 11.8"H Material High-Quality PE (Polyethylene) Quantity 4 chairs per set Adjustable Heights 20.9", 21.7", 22.4" (3 levels) Weight Capacity 220 lbs per chair Color Options Green, Grey, Pink, Mint Green, Blue, Navy Blue Surface Finish Waterproof, easy-clean Design Features Stackable, lightweight, ergonomic backrest Package Measurements Measurement Value Length 20.0 inches Width 14.0 inches Height 11.8 inches Ideal Applications Playroom seating for toddlers and young children Classroom furniture for preschool and elementary schools Daycare center seating areas Home learning and homework stations Arts and crafts activity tables Reading corners and quiet time spaces Dining table seating for children Multi-purpose children's activity areas This versatile 4-piece adjustable chair set combines durability, ergonomic design, and practical functionality to create the perfect seating solution for growing children in educational and home environments.