Component Supply offers food-grade, polyester rosin press & filtration bags in various sizes and configurations. Rosin bags come in three main sizes: small: 1.25″ x 3.25″, medium: 1.75″ x 5″, and large: 2″ x 3.5″. For each size, the available mesh opening configurations are displayed in the chart below. Rosin press bags are available for same day shipping in packs of 10, 25, 50 and 100. Larger packs available upon request.