Provides a comfortable and secure way to transport babies and toddlers while traveling or walking. Generally features a lightweight folding frame, adjustable seating (recline/upright), safety harnesses (often 5-point), a protective sun canopy, and a storage basket underneath. Ranges from lightweight "umbrella" strollers for travel to more robust 3-in-1 travel systems that include a bassinet for newborns. Typically suitable for newborns up to roughly 3–4 years old (approx. 15-22 kg).