22mmLarge Plastic Poppers. The more you buy the cheaper it will work out each.
Snap Fastener LARGE 22mm Plastic Metal Popper Press Stud 22 COLOR BUY 2 4 8 145D
50 Set Sew-on Snap Buttons 17mm Metal Snap Fastener Buttons, Matt Black
Military black snap fastener press stud kit DOT brand poppers boat cover canopy
Snap fastener press 3/8" studs kit 316 stainless steel canvas cover to boat deck
Snap fastener press studs kit 316 marine grade stainless steel canvas to canvas
Snap fastener 5/8" press stud kit 304 stainless steel canvas cover to boat deck
