Bouncers by BabyBjörn. Details:You can use the product as a bouncer until your child weighs 20 lbs or starts trying to sit up. Remember to keep your baby under constant supervision, use the safety harness and double-check that the snaps are locked (you can choose between two positions) when using the product as a baby bouncer. When your child has learned to walk and sit down unaided, simply turn the fabric seat around and use the product as a comfy children’s chair. You can use it as a chair until your child weighs 29 lbs.