BYKOSION Easy Breathing Diving Mask Full Face Snorkeling Set Swimming Goggles For Adults Kids

Specification:1. Material: Silicone + PVC2. Color: Blue, Black, Red3. Size: Please refer to the product picture that shows how to choose size(Any confusion please directly contact me )4. Suitable: adults and children5. Applicable: diving, swimming, snorkeling and other underwater activities.6. Accessories: earplugs,camera nuts,spare rubber ring.snorkeling glassesHow to choose the size?Measure the length from your nose bridge to Chin.1. If the length less than 12 cm ,Choose size S/M. (Suitable for The Junior and Adult Women)2. If the length equal with or over 12cm,Choose size L/XL(Suitable for Adult Men)Maintenance:1. Clean mask with fresh water after use every time.2. Put the mask in warm fresh water for some minutes After sea snorkel to avoid corrosion.3. Avoid to use soap or detergents to make visibility well.4. Keep dry after use.5. Don't place the mask under the sunlight directly.6. Don't use towel to clean the face lens, glasses cloth Is better.7. Don't place face lens touch the hard surface.