Official Standard SIZE & WEIGHT: Single Baton 11.75(29cm) length x 1.5(3.8cm) diameter; Weight 50g(1.76oz), Meet the official regulations of the National Athletics Federation. GOOD MATERIAL: There is no brands or marks on the Relay Batons, which makes it perfect for any track team whether high school or college or athletics to add their own logo; the track teams can put team signs on them to personalize their batons.The RelayBatons are made of Lightweight Anodized Aluminum, which is corrosion-resistant, durable and rustless. SAFER DESIGN: The Track Field Relay Batons are designed with ROUNDED and SMOOTH rolled-in edges that prevent runners from injury. Smooth texture which is not SLIPPERY provides a firm grip even with sweaty hands, so that will avoid runners accidentallyslipping it off during the race or running practice. All in place, Ready, GO!!! Colour:Golden(4 Pcs) QUANTITY in Package: There are 4 Pcs Relay Batons in a package.