Krafty Eye Glasses Rx Prescription Swim Goggles (Power +4.0) Blue (for Kids, Teen & Adults includes all 3 bridge sizes S,M,L) Prescription Swim Goggle comes with S,M,L bridges +4.0 in both sides Anti-fog, UV Sheild comes in hard carry case We make the swim goggles with a Medium bridge unless you request otherwise Small for kids, Medium for teens, Lg for adults