I bought these thinking they were for speed skating, but upon opening them, I realized they weren't suitable and haven't used them. Color: White Frost Skate Cover / Blade Cover / Edge Cover GUARDOG Edge Cover 2-piece - Chameleon [Chameleonz] Chameleon Color *Color changes with temperature* The Chameleon series changes color depending on temperature variations, such as from cold to warm environments. We recommend checking how the color changes before use. An essential item for skaters! A hard-type edge cover that protects your precious edges when walking around the rinkside while wearing skates. Can be used for figure skates and ice hockey skates. Please cut to fit the edges of your skates. *Not compatible with speed skates.*