The swimming glasses are made of PC and PU. The material is with high quality. It will not leak water. And the style is very fashionable and special. Then it is with multi-functional, waterproof, anti-frog and anti-glare. It can fit both female and male. It is suitable to wear it during swimming. It will let you enjoy special summer with it. There are many styles for your choosing. It is good choice for your promotion business. Made from pc & silicone material, measuring For Adult Adjustable, this custom swimming goggles anti-fog. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Portable, durable, practical for daily use.