Self-Sealing Sterilization Pouches 3.5″x5.25″ 5.25″x6.5″ 200/BxSize 5.25″ x 6.5″ Size: 5.25×6.5 300-1011. Size 3.5″ x 5.25″ Size: 3.5×5.25 300-1010.