Using secure hooks, the infant sling is quickly and safely installed or removed in seconds Only use this product with children who cannot sit unaided between the age 1 - 10 months old, who weigh less than 22lb/10kg, and are shorter than 29½ in/75cm Only use the infant sling for strolling Machine washable at 30 degrees Adjustable shoulder harness for a custom fit to your baby Compatible with Thule Chariot Sport, Thule Chariot Sport 2, Thule Chariot Cross, Thule Chariot Cross 2, Thule Chariot Lite