6 Hour Waterproof. Coppertone Kids Spray 'n Splash SPF 30 sunblock lotion makes protecting your children from the sun a little easier, and a lot more fun. Just point, spray and rub right in. This waterproof formula lasts a full 6 hours in and out of the water and keeps kids protected from the sun's burning UVA and UVB rays. Pump Spray - Helps provide fast and easy sunblock lotion application. 6-Hour Waterproof - Ideal for water-loving kids. Long Lasting - UVA and UVB protection goes on and stays on. Hypoallergenic - Non-irritating and mild, PABA-free.