A reusable diaper comprising: a forward waist portion; a rearward waist portion; a first closed end pocket disposed in a first lateral side portion of the forward waist portion; a second closed end pocket disposed in a first lateral side portion of the rearward waist portion; a third closed end pocket disposed in a second lateral side portion of the forward waist portion; and a fourth closed end pocket disposed in a second lateral side portion of the rearward waist portion; a first set of corner tabs comprising: a first corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective first and second pockets; and a second corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective third and fourth pockets; a second set of corner tabs comprising: a third corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective first and second pockets, such that the third corner tab is interchangeable with the first corner tab; and a fourth corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective third and fourth pockets, such that the fourth corner tab is interchangeable with the second corner tab; wherein the first and second corner tabs define part of a generally curved right and left leg openings, respectively of the diaper when releasably attached to the forward and rearward waist portions; and wherein the third and fourth corner tabs are sized differently than the first and second corner tabs to thereby permit adjustability to a size of the right and left leg openings and/or a functional waist size of the reusable diaper as defined by the forward and rearward waist portions. a forward waist portion; a rearward waist portion; a first closed end pocket disposed in a first lateral side portion of the forward waist portion; a second closed end pocket disposed in a first lateral side portion of the rearward waist portion; a third closed end pocket disposed in a second lateral side portion of the forward waist portion; and a fourth closed end pocket disposed in a second lateral side portion of the rearward waist portion; a first set of corner tabs comprising: a first corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective first and second pockets; and a second corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective third and fourth pockets; a first corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective first and second pockets; and a second corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective third and fourth pockets; a second set of corner tabs comprising: a third corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective first and second pockets, such that the third corner tab is interchangeable with the first corner tab; and a fourth corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective third and fourth pockets, such that the fourth corner tab is interchangeable with the second corner tab; a third corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective first and second pockets, such that the third corner tab is interchangeable with the first corner tab; and a fourth corner tab having first and second opposite end portions (319, 321) having fasteners releasably attachable to fasteners within the respective third and fourth pockets, such that the fourth corner tab is interchangeable with the second corner tab; wherein the first and second corner tabs define part of a generally curved right and left leg openings, respectively of the diaper when releasably attached to the forward and rearward waist portions; and wherein the third and fourth corner tabs are sized differently than the first and second corner tabs to thereby permit adjustability to a size of the right and left leg openings and/or a functional waist size of the reusable diaper as defined by the forward and rearward waist portions.