GO WEIRD WITH VEIRDO.100% Premium 150 GSM Cotton Bio Wash, Bright Color & Texture To Give You Perfect Comfort, Most Suppliers Sell Promotional Tshirts From 135-140 GSM. Veirdo Provides Best Quality. Discharge Printing : Veirdo Discharge ink is a water based product that deactivates the dyes used on natural fabrics. You have probably seen many shirts with a very soft print that looks like the color of natural cotton – this is discharge printing. Discharge screen printing can be used to print colors on dark garments that in the past would have required an additional layer of white ink in order to achieve proper opacity of top colors. Sleeveless, Single Tshirt, Premimum Round Neck, Regular Fit, Ultra Soft Enzyme Treated Fabrics.