3D Bracket for Mask Silicone Inner Support Frames Buying a face mask bracket pack with extender belts like the 3D Bracket for Mask Silicone Inner Support Frames ($20 for a pack of 6) is a great idea. That way, you assure that your brackets will fit the masks you already have at home, saving time and money. With the extenders, they'll fit disposable masks, store-bought masks, and homemade masks alike. Image Source: amazon.com 3D Bracket for Mask Silicone Inner Support Frames $20 from amazon.com Buy Now