A reusable silicone straw & cap for clean, easy drinking. Made from the purest food-grade silicone, this set is LFGB certified (the highest EU safety standard). Compatible with Bink's Hydration Tracking Glass Water Bottle The Press-to-Fit Cap makes it quick and easy to change between caps The flexible silicone straw is extra-wide for quicker consumption and ease of maintenance (a straw cleaning brush is included with each cap!) BPA-Free and Phthalate-Free Dishwasher Safe