[Official Standard SIZE andamp 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:Blue(4 Pcs) [QUANTITY in Package] There are 4 Pcs Relay Batons in a package.