The incredible lens protection of our standard Flip-Open covers, but with additional flex in the collars to fit a wider range of scopes and the added convenience of purchasing front and rear covers together. Carry over your shoulder or use as a hasty sling. Additional Features: ? Same basic features and design as standard Flip-Open series ? Tight, flexible collar provides custom fit for multiple scopes ? Waterproof, airtight protection ? Covers open silently with the flick of a thumb.