DMF Cotton Coils This product is available in 6, 9, 12 & 16 grams/meter linear density for bottle size (opening) of 50cc (1-1/16), 75cc (1-1/16), 120cc (1-1/4) and 190cc (1-1/2) depending upon the bottle or container volume. It is available in packs of 7.5 kgs as standard shipment size and billing units is net weight in kgs.