This item celebrates the 2015 ESL One Cologne CS:GO Championship. Apply this sticker to any weapon in your arsenal and can be worn down through scraping. Multiple scraping applications are possible, creating progressive wear with each application, until complete removal from the weapon. This sticker was autographed by professional player Mikail Bill playing for Team Kinguin at ESL One Cologne 2015. Half of all sales proceeds directly support the featured players and their teams.