This water bottle is made of BPA free tritan and food grade silicone, which is safe and non-toxic. The drinking bottle is designed with a doughnut shape, stylish and colorful, and cute design makes it the most eye-catching one. The water bottle with straw is very convenient for drinking water, and is best gift for kids. The straw cup mouth adopts a sealed design, it’s spill-proof. The nozzle has anti-stroking design and water-proof design, and the water flow can be controlled.