Use the 2009 Bumbleride Toddler Seat attachment with your 2009 Bumbleride Queen B to transform your stroller into a double in seconds. With the Bumbleride Toddler Seat installed, your Queen B can now accommodate an infant in the rear and a toddler in the front. The design of the Bumbleride Toddler Seat allows for generous room for both children. Features: Accommodates only Bumbleride Queen B Suitable from 6 months up to 35 lbs. Easy, quick release safety harness Quick release fold for storage Available in Ruby and Lava Specifications: Dimensions: 16L 12H 16W Collapsed Dimensions: 16L 7.5H 16W Total Weight: 8 LBS Weight Capacity: 35 LBS Shipping Note: This item ships via UPS Ground within contiguous United States only. Cannot be shipped to AK/HI, PO boxes, US territories, or APO/FPO addresses.