FEATURES: Machine washable Thick side padding for comfort and support Lumbar support pad for infant's back All materials are made phthalate-free Compatible with all child trailers that have a 5 point safety harness SPECS: Recommended for ages: 3-12 months Approximate height: 25" - 31" Approximate weight: 15 - 21 lbs. Additional Details: Under 6 months: Snuggler should be used for strolling only Over 6 months: Snuggler may be used for jogging or strolling in a Burley trailer or stroller if your child is able to sit upright unattended Over 12 months: Snuggler may be used for towing your child behind your bicycle if your child may sit upright unattended while wearing a bicycle helmet Please consult your pediatrician before using this product