The swimming goggles are -coated with the latest anti-fog protection with specially designed. Whether you are racing for a record, swimming for better or making memories at the swimming pool, these high tech lenses block harmful UV rays, keep fogging to minimum and anti-shatter technology protects themselves against sudden drops and scratches. Maintenance and Storage Methods: 1. Before using, please get wet the seal , gently spin and dry the goggles; Avoid touching the insides of the lenses as this can damage the anti-fog coating; Rinse in clean water after use, shake dry and store in the protective case. Package Includes: 1 x Swimming Goggles Low-profile strap with ergonomic split and interior texture provides for a secure and stable fit