15" Pro-grade Rubitex Speaker Gaskets-adhesive Included 2 Premium 15" Rubitex gaskets (Enough for 2 Speakers) Each gasket comes in 4 segments 3/8" Thick - Fits ALL 15" speaker frames with 8 mounting holes Includes 1 bottle of our professional-grade black rubber adhesive (The BEST available) FREE phone support and FREE shipping within the U.S.