Fits 2010 and 2011 Callisto strollersFEATURES Carry Cot includes adapters to convert your Callisto into a City Pram The double lined canopy offers complete sun protection Memory Foam mattress Removable top cover Sturdy integrated Carry Handles Feet prevent Carry Cot from touching damp or dirty ground Collapses for storage Machine washable mattress cover For birth up to 20 pounds