Deepens the pocket of your glove for added on-field performance. Doubles, even triples the life of your glove. Bring an older glove back to life-apply oil and let dry with Glove Guard in place. Use oil sparingly to avoid additional glove weight. GGPRO1 Mostly infielders, catchers. GGPRO2 Outfielders, first basemen, softball. Ball glove not included.