Water Resistant, Reef Safe & Travel Size (3oz)   Think’s pediatric dermatologist recommended, kid safe sunscreen is water resistant for up to 80 minutes. provides broad spectrum protection against harmful UVA and UVB rays, leaving little to no white cast. Effective for playtime in the sun and water.   Broad spectrum protection Safe for kids  Effective, safe formula to nourish skin Reef Safe Formula Dries clear Water and sweat resistant Clear zinc sunscreen is a great option for both adults and kids. It goes on clear, so there's no need to worry about white streaks, and it's safe for both reef and marine life. ThinkSport sunscreen is also non-toxic, making it a great choice for kids. So this summer, make sure to pack clear zinc sunscreen for a fun and safe day in the sun!