DESIGN FOR KIDS- XS is for children.This snorkel mask only for children with two kinds of color blue and pink.Boy can choose with blue,it's pretty cool and girl would like pink color just like princess DRY TOP - Dry Top Technology prevents in this full face snorkel mask water from entering mask so you don’t accidentally breathe or swallow water 180° FULL FACE DESIGN- makes it easier than ever to breathe comfortably through your mouth or nose while you are snorkeling. Our mask provides a 180° viewing area- the biggest of any snorkel mask on the market today guaranteeing that you will see more fish and sea creatures than ever before RAW MATERIAL-full face design mask Made Of Medical Grade Silicone To Ensure No Skin Irritation Which is Eco-friendly non-toxic and odorless. Double tubeless EASY BREATHING - Breathe naturally through your nose easily with this full face snorkel mask DRY TOP - Dry Top Technology prevents in this full face snorkel mask water from entering mask so you don’t accidentally breathe or swallow water Item Link on Amazon.com: https://www.amazon.com/dp/B06XHCYXW6