THE GRIPS ARE MADE OF ANTIBACTERIAL MATERIAL, OUR BICYCLES ARE SHIPPED IN A BOX. OUR BIKES ARE 85% ASSEMBLED, ALL BRAKE-GEAR SETTINGS HAVE BEEN MADE, YOU WILL ONLY CONNECT THE FRONT WHEEL AND HANDLEBAR (STEERING) AND INSTALL THE PEDALS AS SAID IN THE OWNER'S MANUAL, OR WE RECOMMEND THAT YOU TAKE IT TO A CYCLIST NEAR YOU AND HAVE IT ASSEMBLED. J FEE BELONGS TO THE BUYER.