The silicone straw set contains 1pc silicone straw, 1pc love button, 1pc straw brush and 1pc capsule case. The straw is made of food grade silicone and is safe and FDA approved. 100% food grade silica gel without BPA, non-toxic, no chemical smell. The straw brush is easy to clean inside the straw or it can be washed in the dishwasher. The love button is cute and can effectively prevent the straw from being inserted into the cup. Silicone straws are foldable, reusable, soft and bite resistant, protecting your child and adult from eyelids, throat and tooth defects. Ideal for children, children and adults. The capsule box can be carried and stored anytime, anywhere, and is the best choice for camping parties and other occasions.