Workout Efficiency PLR & MRR Products Workout Efficiency products with Private Label Rights (PLR) and master resale rights licenses. Rss all files Rss Tags HIIT It Hard Size: 150.63 MB License: Master Resell Rights HIIT - The 60-Second Fat Burner Size: 11.41 MB License: Personal Use Rights Mass Muscle Building In Minutes Size: 86.52 MB License: Master Resell Rights