Seal It In?- Leak-proof lid for clean and easy shaking and mixing;Taste your shake- Taste Guard Protection maintains tastes and resists odors;Store It- The storage container at the base holds up to two servings of powder or stores the mixer ball when not in use for added convenience;Round Up?- Rounded bottom and weighted shaker ball are designed to work together to help reduce clumps and buildup common in other bottles;Carry On - Carry handle for easy transport