【Anti-Reflux and Spine Protection】Scientific 15-30 degree incline design effectively prevents baby reflux and choking after feeding, while providing support for the delicate spine and promoting good sleeping posture. 【Adjustable Design with Quality Fabric】Width adjustable within 20cm, suitable for 6-12 month babies and 99% of different body types. Inner core uses soft supportive PP cotton, outer layer features breathable knitted fleece fabric, suitable for all seasons, moisture-wicking and comfortable. 【Soothing and Fall Prevention】Combination of long pillar and movable short pillar provides safe and comfortable back support, also serves as a bed-in-bed to limit rolling space and prevent baby from falling off the bed. 【Easy to Clean and Durable】The entire product is easily disassembled, with a machine-washable cover that dries quickly for hygienic and convenient care, ensuring a clean sleep area for your baby at all times. 【Versatile Use】This multifunctional side pillow is a reliable companion for babies during feeding, sleeping, diaper changes, and playtime on the bed, offering comprehensive comfort and safety protection. Specifications: Outer Cover Material: Milk Silk Filling: 7D high-elasticity PP cotton Dimensions: 55cm (length) x 51cm (width) x 11cm (height) Age Range: Suitable for 6-12 month old babies Incline: 15-30 degree angle Adjustable Width: Up to 20cm Washing: Cover is machine washable