The Thule Sapling Child Carrier for 0-4 year olds is the ultimate child carrier backpack for family adventures. Buy online at Halfords today. Designed for comfort and safety, this child carrier features a machine washable child seat, ventilated back panel, and under-leg support to keep little ones secure. A UPF 50 sun shade protects against the elements, while a 22L storage compartment holds all essentials. Fully adjustable for a perfect fit, this baby carrier even includes a drink tube for hydration on the go.