100 Skate Black Bearings VXB Yellow Seals & Nylon Cage Set of 100 Bearings (retail packed) Set of 100 Deep Groove Radial Ball Bearings and they are inline skate quality, bearings are blacked and bearings have nylon cage that would make them faster, Bearings have 2 Removable yellow Seals, Bearings are made of Chrome Steel, each bearing has 2 Removable yellow Seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with oil.