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 Bamboo Viscose Sleeper for Baby is Has a 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. Baby Friendly Designs---This Breathable Baby Romper are Designed with Fold-over Mittens for 0-3 and 3-6 Months Baby to Avoid Scratching, and Non-slip Grips for 6-24 Months Baby, Which will be Really Helpful When Your Little Starts to Walk Great Gift Ideas---This Soft Baby Jumpsuits 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 Footless Pajamas Boys Girls Zippy Pjs Sleep 'N Play Romper - 0-24 Months