For strolling and jogging with your Burley. Recommended for ages 312 months. Weight: 1521 lbs 710kg Height: 2530 6376cm Machine washable. Thick side padding for comfort and support. Lumbar support pad for the infant's back. All materials are phthalatefree. Compatible with all 2009 Burley Child Trailers and most Burley models built after 2003.