[MATERIAL]marine grade stainless steel snaps,The snaps with heavy-duty construction assures a firm grip that will remain secure through years of use. [HIGH QUALITY]Marine snaps kits are made of High quality stainless steel, superior rust & corrosion resistance in salt water and wet environments applications, which will last long. [WIDE APPLICATION ]Canvas Snaps are widely used for canvas, tarpaulins, tents, awnings, sailcloth, lawn, furniture, and etc. Fit for both the indoor or outdoor use. Colour: silver Material: stainless steel + copper Package Contents: 100 sets * 15mm stainless steel screw big white buckle 2 * Installation tools 1 * Storage box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.