1.【PERFECT UPPABABY FIT & 2-STAGE COMFORT】​​ Designed exclusively for UPPAbaby Vista, Vista V2, Cruz, Cruz V2, and RumbleSeat models, this liner guarantees a secure, custom fit. The ​innovative 2-stage design​ offers full head and lumbar support for newborns (0-6 months). Simply remove the inner cushion for a supportive toddler seat liner for older babies, ensuring comfort as they grow. ​​2.【ERGONOMIC SUPPORT & ENHANCED SAFETY】​​ Features a ​contoured headrest and wedge-shaped lumbar pad​ to cradle your baby's head, neck, and back, promoting proper spinal alignment. Pre-designed slots ensure full compatibility with the stroller's original 5-point harness, ​never compromising safety for comfort​. ​​3.【PREMIUM BREATHABLE & BABY-SAFE FABRIC】​​ Crafted from a ​soft, skin-friendly blend of breathable fabrics​ (70% Polyester, 30% Cotton) to keep your baby cool in summer and warm in winter. The materials are gentle on your newborn's delicate skin. ​​4.【EFFORTLESS INSTALLATION & CLEANING】​​ Enjoy a ​tool-free setup that takes under 5 minutes. The entire cushion is ​easily removable and machine washable, making cleanup after spills and messes a simple task for busy parents. ​​5.【IDEAL GIFT & TRAVEL ESSENTIAL】​​ An exceptionally thoughtful gift for new parents. This complete comfort set ensures a smoother, more enjoyable ride for your baby, making every outing—from quick errands to long walks—a peaceful experience