Lifetime warranty. Please just contact us for any questions or problems, we’ll do whatever we could do to help. Lightweight mask insert made of food grade material is safe, washable and reusable. Lipstick protector under mask makes the mask not to stick lipstick, protecting your perfect makeup from being messed up. 3D face mask bracket reduces the friction frequency between mask and face to protect the lining from getting stained. Mask bracket holds up the mask fabric around the mouth to create more breathing space when a mask is put on face. Particularly applicable for cloth masks but not for disposable masks, which needs to be noticed.