Made of material. Anti-rust and corrosion resistance, fit for various environments, can be used for a long time. You will also get 2 pieces setting tool, together with these tools, you can build and repair your craft projects by yourself at any time. Convenient for your daily use. Features - Color: Silver. - Material: Stainless steel, copper. - Size: 17.00X10.00X2.10cm/6.68X3.93X0.83 inch. - Marine snaps kits are made of stainless steel and copper, rust resistance in salt water applications, which will last long. - Canvas snaps are widely used for canvas, sailcloth, tarpaulins, lawn furniture, tents, awnings, and etc. - They are available for clamping onto screw or canvas studs for mounting on hard surfaces. - Can be widely used in boat, canvas, clothing, tarpaulins, tents, leather, furniture, etc. - Can be attached to plastics and wood surface. Suitable for both outdoor and indoor use. Package list: panels female snap buttons male snap buttons 1 x 201 tool 1 x punching tool 1 x storage box