You can lightly adjust the length of the straps as needed with this scuba goggle so you don''t feel tight, and it provides you with a clear 180-degree panoramic underwater experience without fog. With good sealing and impact resistance, this breathing tube prevents water from entering outside, allowing you to breathe smoothly even underwater. It is made of high-quality silicone and PC material. This diving goggle is 17 cm long, 9 cm wide and the breath tube is 46 cm long. It is perfect for adult for snorkeling, swimming, diving, scuba, and other underwater activities. Item Name: Diving Goggle Set Material: Silicone, PC Features: Anti-breaking, High Clarity, Anti Fog Size Details: Diving Goggle Size: 17cm x 9cm/6.69" x 3.54" (Approx.) Breath Tube Length: 46cm/18.11" (Approx.) Notes: Due to the light and screen setting difference, the item''s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Diving Goggle 1 x Breath Tube