Quick to set-up, easy and compact to fold Sturdy metal legs adjust to three height position Removable tray adjusts to three positions. Folded dimensions 17.5 x 14 x 4.5 inch Three-point harness; Dimensions :15"L x 19.25"H x 13.5"W. The wide and comfortable seat can adapt to child's needs from 6 to 36 months Anti-slip, non-marking feet. Usage:Only use with children who can sit up unassisted and who do not weigh more than 50 lbs. Always use child restraints and always securely attach booster seat to adult chair Care and Maintenance : Periodically wipe seat and tray with a damp cloth and mild soap, towel dry. Only use on chairs with a seat at least 14 inches wide, 14 inches deep, and a backrest at least 12 inches high