BPA free Food-grade Material: 3D mask bracket is made of BPA free food grade SILICONE material, the mask brackets are ultra skin-friendly. Superior to plastics mask brackets, Silicone mask inserts are soft with tender feeling, safe, NO odor, NO degradation under high temperature, NO harmful ingredients, NO skin tingling in friction. Stronger Support Larger Space for Breathing:3D silicone mask inserts has 2.6mm (0.1 inch) thicker main inner support frame, providing stronger support, keeping fabrics off face/mouse/nose/lips and protecting makeup lipsticks. the 3D bracket comfortably conforms to the facial outline with its thinness and fitness, which provides larger space, increase breathing space so as to keep air- permeable for comfortable mask wearing and easier breathing. Useful Mask Accessories:the 3D bracket is ergonomic with strong inner mask support frame, silicone mask cup inserts are wonderful accessories for homemade cloth mask or disposable face mask, to avoid sultry, poor breathing, glasses fogging, makeup or lipstick mess-up, very useful for doctors and nurses, teachers and students, people in restaurant, stores and other public places.Isolate air pollution Washable Reusable: Using premium silicone material, mask brackets can not only be washable and reusable, but also sterilized under high temperature water without degradation as plastic mask bracket does.Increasing the service time as well as effectively saving resources. What You Get: 10 pack silicone 3D mask breathe cup, which can be placed inside all types mask, fit for women,men,adults. Its the most useful gifts for every one at this moment.