.quantitywarning { font-size: 120%; font-weight: bold; color: #0055a5; text-align: center; } .contentpage { font-size: 100%; text-align: left; } Maximum Quantity 4 BagsThese metal craft rings are made of steel and form a closed loop with a welded seam for impressive strength suitable for light- to medium-duty applications. Metal O-Rings are used on purses, camera bags, horse bridals, belts, camping gear, hiking equipment, and several other everyday applications. They have a .17 wire or thickness.