Breathable All-Season Fabric: Made with cool, breathable knit velvet that wicks and promotes airflow, keeping babies comfortable year-round while the removable, washable cover ensures freshness and hygiene Dual Function Support: Besides anti-roll safety, the pillow gently cradles and soothes babies to help them fall asleep peacefully, combining reflux prevention with comfort to ease parenting challenges Adjustable Comfort Fit: Features an innovative adjustable width design with a long beam, extension strap, and movable short beam, allowing 20-24cm customization to fit 99% of baby sizes comfortably without restrictive fixation Safe and Easy Maintenance: The detachable cover is machine-washable for effortless cleaning, maintaining softness and protecting delicate baby skin while prolonging product life and cleanliness Anti Roll Protection: Specially designed to prevents spit-up and choking by gently supporting babies in a safe side-sleep position for 30 minutes after feeding, reducing reflux and providing peace of mind for new parents