Optimal Silicone Straw Bottle 500ml designed to be practical : the kids sports water bottle has a large screw cap and a wide mouth so that you can refill it with water easily and neatly. You don’t need to remove the cap in order to drink the water, This drinking bottle has a leakproof flip nozzle and a removable straw that allows your kids to enjoy there water even while they are on the move!