Features: *High-quality material: This diving mask is made of high-quality silicone material, which is reusable, sturdy and durable.*Anti-Fog, Sealing: The snorkeling mask can wrap your full face tightly, soft, creating a better sealing, ensuring to keep the inside dry all the time, preventings fogging.*Sealing: The snorkel mask has good sealing performance. Wider skirt and better shape help sealing and prevent leaks.*Multifunctional use: You can use it while snorkeling, swimming, diving, even as a teaching material for training people who can't swim.*Easy disassembly and assembly: easy disassembly and assembly, convenient for you to carry and store when you go out.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Material: SiliconeSize: XS size: inner diameter 11*11cm, outer diameter 14.5*12cmS/M size: inner diameter 17*13CM, outer diameter 23*19CML/XL size: inner diameter 19*13CM, outer diameter 23*19CMPackage List:1 x Diving Mask