The Dovpo Vipers Cotton is a natural cotton solution for easily wicking 10g bag. The cotton is made entirely of 100% Arizon cotton and is free of harmful chemicals. The convenient agleted section is manufactured without acetone or glue. Dovpo Vipers Cotton is perfect for rebuildable dripping atomisers (RDA), rebuildable tank atomisers (RTA), rebuildable tank atomisers (RDTA).