Diving & Snorkeling Masks features: Full Dry Child Snorkeling Full Face Mask Cartoon Anti-fog Diving Mask(Blue) Color: we send based on the color or size of the main image of the product page. Quantitywe send based on quantity on title, if there is no quantity in the title, we send based on . Colour:blue The adjustable elastic band makes it perfectly compatible with your facial contours, and the suction tube and independent oxygen exchange system make it outstanding in terms of anti-fog and anti-leakage. Close your mouth tightly and measure the distance from the bridge of your child's nose to the chin. If the length is 3.35 to 3.94 inches, then this mask is suitable for your child. Made of environmentally friendly PC + food-grade liquid silicone material: it can provide 180 panoramic underwater sight. The transparent shell with high light transmittance and the scratch-resistant film on the interface help keep the sight clear. Favored by many children and students. Built-in soft food-grade silicone material can protect facial skin. Foldable, easy to store, takes up less time and space, and is light to carry, can be carried anywhere when traveling, suitable for outdoor sea diving, swimming in swimming pools, and watching aquariums