Doubles Kit: 100% Polyester 5-point adjustable seat harness new 2-position, one-handed recline for snoozing child Removable seat insert for easy cleaning Adjustable sunhood included Holds up to 33 pounds mounted to the back of the stroller; 44 pounds mounted on the front The phil&teds doubles kit is a second seat attachment designed to adapt your inline buggy to meet the needs of your growing family. Attach this doubles kit to the front or back of your phil&teds Dot buggy and convert your single stroller into a double stroller. The doubles kit features a 2-postion, one-hand recline, comfortable seat liner, 5-point safety harness, a sun canopy and is meant for use from 4 months up to 4 years or the maximum load of 33 pounds (installed on back) or 44 pounds (installed on front). Stroller: phil&teds Dot is the smallest inline stroller in the world yet it"s fully featured, lightweight and compact with a full size seat. The Dot inline stroller is a single stroller that can adapt to become a double stroller with addition of a doubles kit second seat (sold separately), thus growing as your family grows. Dot has many unique features including: Customizable color liner; Zip off fabric for easy cleaning; new tail free 5-point harness for easy adjustment and less clutter; Bonnet style sun hood with visor and peek-a-boo flap; All-plastic footwell for easy cleaning; Lightweight, slim & nimble with 23.5" wide body and 10" wheels to navigate any type of space including curbs with ease. Dot is compatible with Graco, Chicco, Peg Perego, and Maxi-Cosi car seats with use of a travel system (sold separately). Doubles kit second seat offers a sleep ideal, one-hand recline and can be used with a car seat attached to the stroller. Scroll below for even more inside detail about the all new Dot from phil&teds.