Modal fabric is stretchy, silky , lightweight and luxuriously soft and comfy. Super wide waist band makes your kids comfortable and painless. Tagless label on the neck helps protect sensitive skin. the blend of cotton for breathability and Modal cellulose for strength means enjoy this ensemble for plenty of sleepovers and relaxing evenings to come For child’s safety, cotton sleep sets should always fit snugly. Loose fitting garment is more likely to catch fire. Washing Instruction: Keep modal fabric garment always new. Modal is a silky and delicate fabric. Use Laundry bag to prevent from snagging and ripping while machine washing. or Hand wash and hang dry.