WILL THIS FIT MY CHILD?Easily as it has an elastic strap that can stretch to get the perfect fit. The soft fabric shade is the perfect comfortable fit.WHY A BAG?Let's face it, as parents we are truly just our children's Sherpas! The bag keeps the mask stored and fits nicely in your purse.IS IT HOT AND SWEATY?Made of soft stretchy material (like a bathing suit) and is very lightweight. With just slight padding it's not too thick or bulky so is perfect to help encourage sleep....warning drooling may occur.WHAT ARE THE CLEANING INSTRUCTIONS?You can spot clean the mask and if it gets wet lay flat to dry.WHAT ELSE FROM NIDO NEST?Nido Nest has a kids Travel Accessories Collection which includes Travel Pillows, Sleep Masks and Luggage Tags so your kids are well equipped.WHAT IF I CHANGE MY MIND?Nido Nest fully stands behind their products and will refund or replace if you are unsatisfied for any reason. Nido Nest products are committed to functional design using high quality materials with a splash of quirky and fun.