New Set Of 25 #30 Dura Snap Upholstery Buttons For Use In RVs, Trailers, Boats, And More. These Buttons Are Made Of Marine Grade Black Color Vinyl So They Can Be Used On Inside Or Outside Projects. These Buttons Also Include The Studs And 3/4" Long #8 Phillips Head Screws. These Buttons are #30 Size Which Is 3/4" In Diameter Or About The Size Of A Nickel. Shipping On This Item Is Free To Anywhere In The Continental USA And All Of Our Items Ship Within One Working Day Of Receiving Cleared Payment.