From Copper Pearl, this sleep bag features: Designed with three layers of buttery soft fabric and a cozy, plush fill, Copper Pearl's three-layer sleep bag is designed with your baby's comfort in mind. Round neck Sleeveless Ultra-soft, breathable fabric with a hint of stretch Tagless Wraparound zip closure Sleep bags have a 1.7 Thermal Overall Grade (TOG) rating, ideal for room temperatures between 65–75 degrees F WARNING: Not flame resistant. Wear snug-fitting clothes to help keep children safe. Polyester/rayon/spandex Machine washable Imported.