ABS plastic. Golf set with 8 PS plastic golf tees (2.063" in length) and 2 white plastic ball markers. 4 white golf tees and 4 color tees to match case accent color. Case comes with tees and ball markers inserted in simple storage slots. Includes plastic clip to attach to golf bag or belt loops. Product Size: 4" l x 2.125" w x 0.5" h x 4" d.