Aspire More; The tallest Booster Seat on the Australian market Aspire More is a Booster Seat suitable for children aged between approximately 4 and 8-years-old. Aspire features an adjustable, locking headrest which enables the seat to grow with your child. This child restraint uses the vehicles adult lap & sash belt. It also features a top tether strap for simple installation. Aspire is the tallest Booster Seat on the Australian market, seating children up to a seated shoulder height of 57cm. Active Bamboo Aspire More features our Active Bamboo covers. Active Bamboo is a high performance, premium quality bamboo charcoal fabric. The gently woven yarn wicks away moisture, keeping your child cool and dry whilst offering a soft, smooth surface. This ensures your child travels in complete comfort. Air Cocoon Technology (A.C.T) & Secur-air Secur-air works hand in hand with Air Cocoon Technology (A.C.T) to dramatically reduce crash energy to a child's head. Aspire comes with A.C.T as a standard feature, which alone reduces crash energy to the child more than five times lower than the level required by the 2013 Australian Standard. With the addition of Secur-air, your restraint gains a third layer of protection for your child's head. Additionally, Aspire also comes with a fabric seat protector and a free SafeGrip Belt Clamp Features Forward Facing Booster from 4 to 8 years Large seatbelt sash guides Secur-air - Triple Layer Crash Protection Air Cocoon Technology (A.C.T.) integrated Active Bamboo – high performance, premium quality bamboo charcoal fabric Available in 2 luxurious colours Adjustable, locking headrest Press-stud attached covers – remove without uninstalling Easy install belt path Vehicle seat protector included SafeGrip Belt Clamp included Specifications Dimensions: Width (Widest Point) – 44cm Height (Headrest Down) – 76cm Height (Headrest Up) – 86cm Depth (Seat Base) – 41cm Approximate Shoulder Height Marker Locations Lower Marker (Start Use) – 38.5cm Upper Marker (Stop Use) – 57cm (The tallest in Australia!)