Product Description: Product Name: Golf Tees Size: Length 3.1 inches (80 mm), Top 1.7 inches (43 mm), Weight: Approx. 5.3 oz (150 g), Material: Top: Polyurethane, Center Shaft: Polypropylene, Core: Magnet, Bottom: Polycarbonate, Cord: Nylon. Color: Red, Blue, Yellow (4 pieces).