Seasonless Fabric---95% Viscose Derived from Bamboo, 5% Spandex. The Buttery-Soft Material is Warm for the winter Season and Breathable for Warm Weather Two Way Zipper---The Baby Sleeper is Designed with Reversible 2-Way Zipper, Which is Easy for Baby Diaper Changing. The Zip Guard at Neck and Zipper Garage Will Protect Your Little One's Chin and Skin. Fold-over Mittens and Foot Cuffs---With the Convertible Mittens, This Breathable Baby One-Piece Romper Pajamas Can Help Prevent Accidental Scratches, and the Fold-over Foot Cuffs Can Convert fthe Footless Romper to Footed Sleeper Instantly Great Gift Ideas---This Soft Baby Footless PJs with Superior Quality is Really a Great Gift Idea for Newborn Boy or Girl, Baby Showers and New Moms. Washing Instruction---Hand Wash in Cold Water is Recommended, Hang to Dry Baby Viscose from Bamboo Pajamas, Infant Boys Girls Footless Zippy Pjs Sleep 'N Play Clothes, Toddler One Piece Romper - 0-24 Months