DUAL-SIDED DESIGN: Firm infant side and softer toddler side for ultimate comfort as your baby grows. SAFETY-FIRST FEATURES: Water-resistant, flame-retardant, a fire barrier wrap for a secure and safe sleep environment. COMFORTABLE & COZY: Covered in soft, breathable 100% polyester jacquard knit fabric for a gentle feel. DURABLE CONSTRUCTION: Made with a 5-inch fiber core for lasting support and comfort. DIMENSIONS: 52" L x 28" W x 5.75" H