Weighted exercise bag apparatus and methods of use

A method of a user exercising with an exercise bag apparatus, the method comprising:

• providing the exercise bag apparatus, comprising:
• a cover comprising a first re-sealable opening, wherein the cover is shaped like a short vertical cylinder approximately 14 inches to 30 inches in diameter and approximately 2 inches to 12 inches in height, when fully assembled, to simulate a shape of a weightlifting weight plate;
• an inner sleeve selectively placed within the cover when the exercise bag apparatus is fully assembled, the inner sleeve comprising a second re-sealable opening and an inner cavity;
• and
• at least one user interface disposed on the cover;
• filling at least one of the inner sleeve and the cover with a weighty substance;
• respectively sealing the at least one of the inner sleeve and the cover to prevent escape of the weighty substance, and to prevent escape of the inner sleeve from the cover if the inner sleeve is placed within the cover;
• and
• performing strength training exercises using the exercise bag apparatus, wherein the strength training exercises include kettlebell swings, snatches, curls, bench presses, overhead presses, squats, deadlifts, throws, back extensions, holding the exercise bag apparatus while performing twisting and/or rotating body movements of a trunk of the user, farmer's carries using one or more of the exercise bag apparatus, and dragging exercises.