The Safety 1st EverSlim All-in-One Convertible Car Seat is built to grow with your child while keeping them safe and comfortable on the road. With 4 modes of use—rear- or front-facing, belt-positioning booster, or backless booster—the Safety 1st EverSlim is ready to take your baby home from the hospital or take your big kid to soccer practice. The red-to-green indicator on the SecureTech™ chest clip visually shows parents if the chest clip is buckled or not. The seat’s slim design allows for fitting 3 across the back seat in most vehicles without sacrificing safety or comfort. With a 5-position adjustable base, an easy-to-convert backless booster, and machine washable and dryable fabric, it’s the only car seat your child will need, from birth through age 10. Features : -GROWS WITH YOUR CHILD 4 modes of use accommodate children from birth to age 10: rear-facing (5–40 lbs.), forward-facing (22–65 lbs.), belt-positioning booster (40–100 lbs.), and backless booster (40–100 lbs.). Converts to backless booster with one hand. -FITS 3 ACROSS IN STANDARD BACK SEATS This convertible car seat’s slim design allows parents to comfortably fit more in the back seat without sacrificing comfort or safety. -VISUAL INDICATOR ON THE CHEST CLIP The red-to-green indicator on the SecureTech™ chest clip visually shows parents if the chest clip is buckled or not. -ADJUSTABLE BASE AND HEADREST The EverSlim All-in-One Convertible Car Seat features a 5-position adjustable base and a 10-position adjustable headrest for maximum comfort and safety. -EASILY CLEAN UP SPILLS AND MESSES Removable seat cover and infant inserts are machine washable and dryer safe. -Includes 2 BPA free, removable dishwasher-safe cup holders—one with a snack lid, an easily removable backless booster, and a harness that adjusts without rethreading. The seat cushion is made of comfy, memory foam. -Meets or exceeds all Canadian regulatory standards including CMVSS 213, 213.1, 213.2 -Certified for airplane travel in rear-facing and forward-facing harness modes Minimum Age  for use - recommended (Months)    newborn Maximum Age for use - recommended (Months)    10 years Minimum Height for use - Rear Facing - recommended (inches)     19 Maximum Height for use - Rear Facing - recommended (inches)    40 Minimum Weight  for use - Rear Facing - recommended (pounds) 5,00 Maximum Weight  for use- Rear Facing - recommended (pounds)  40,00 Minimum Height for use - Forward Facing - recommended (inches)          29 Maximum Height for use - Forward Facing - recommended (inches)          49 Minimum Weight  for use - Forward Facing - recommended (pounds)       22,00 Maximum Weight  for use- Forward Facing - recommended (pounds)       65,00 Minimum Height for use - Booster - if applicable- recommended (inches) 43 Maximum Height for use- Booster - if applicable- recommended (inches) 52 (57 in backless mode) Minimum Weight for use - Booster -if applicable-  recommended (pounds)          40,00 Maximum Weight for use- Booster - if applicable- recommended (pounds)          100,00