This modular seating system is designed to accommodate your child's needs every step of the way.Set includes:- Steps Chair: The ergonomically designed chair can be used from day one and throughout childhood for supportive comfort during mealtimes. The tool-free footrest easily adjusts to give your child maximum support-it brings the 'floor' up to little feet, so your child can shift positions just like you.- Steps Baby Set & Cushion: It attaches tool-free to the seat of the Stokke Steps highchair and includes a contoured back rest that adjusts in both height and depth to accommodate your growing baby. An adjustable, machine-washable five-point harness keeps even the fussiest baby seated safely and securely. A padded cushion covered in 100% OEKO-TEX®-certified fabric offers additional comfort for babies six months and up.- Steps Tray: Gives your little one a space of their own to play and eat. Tray slides off horizontally and wipes clean. Includes chair, baby seat set, cushion and tray (bouncer sold separately) Chair: Ages 3 and up if used on its own; rated to 187 lb.; 20.5" seat height; 28" overall height; 17" width; 10 lb. Baby seat: Ages 6-36 months; 18.5" x 14.57" x 9.45"; 3.5 lb.; includes attached front rail, adjustable back rest and adjustable five-point harness Beachwood/plastic/polyester/polyurethane foam/cotton; cushion is is 65% polyester, 35% cotton with 100% polyester padding Wipe clean; cushion is machine wash, dry flat Imported Kids' Wear Cushion uses OEKO-TEX®-certified materials free of harmful substances