1. [Official Standard Size and Weight] Each relay baton is 11.75 inches (29 cm) in length and 1.5 inches (3.8 cm) in diameter. It weighs 50 grams (1.76 ounces), meeting the official regulations of the national track and field federation. 2. [Materials] There are no brands or logos on the relay batons, making them suitable for various track and field teams, such as high - school, college, or professional ones. Teams can add their own logos by pasting team emblems on the batons for personalization. The relay batons are made of lightweight anodized aluminum, which has properties like corrosion resistance, durability, and rust - proof. 3. [Design] The track and field relay batons feature a circular and smoothly rolled - edge design to reduce the risk of athlete injuries. Their smooth texture reduces slipping, enabling athletes to hold them firmly even with sweaty palms and helping avoid accidental drops during competitions or running training. All set, ready, go! 4. Color: Red (4 pieces) 5. [Packaging Quantity] Each pack contains 4 relay batons.