POLYCARBONATE MASK ->The Mischief mask is made for recreational use and it's safe to use underwater inside of public or private pools. The Mischief comes equipped with a Plyflex skirt and strap that allow for a more durable hold and a much more comfortable fit. PIVOT BUCKLE -> The Mischief mask has a pivot buckle system attached to the side that makes it easy to perfectly adjust the mask to any child wearer. With the pivot buckle, you can adjust the strap angle for more comfort when wearing the mask. ADJUSTABLE STRAPS -> The Mischief mask has ribbed straps made from a Plyflex material to keep the mask better attached to the wearer. With a quick-adjust strap feature, the user can pull the strap to tighten and lift the lever to loosen the strap. NOSE COVER -> The Mischief mask is perfectly suited for children. With full nostril coverage, the Mischief is perfect for underwater activities such as scuba diving or recreational pool use. SNORKEL PIECE -> The Mischief snorkel is a J-style snorkel piece, the J shape snorkel promotes easy use for smaller children. The snorkel comes with a small size Plyflex mouthpiece for flexibility and comfort that helps keep water out of the child's mouth. Body Glove Mischief Mask and Snorkel Combo Mask: Poly carbonate mask safe for pool use with Ply flex skirt and strap for durability and comfort. Pivot buckle to adjust strap angle for better fit. Quick adjust strap just pull strap to tighten and lift lever to loosen. Snorkel has easy to use j-style snorkel, small sized mouthpiece.