Rushing home with your groceries in hand can be stressful, especially if they need to be kept fresh. Alleviate those worries with the Grocery Cooler Bag 90GSM, insulated with lead free aluminium insulation to maintain the temperature of your groceries. With a zipper closure for extra security & features an insert panel, this personalised bag is an essential for every day. Order a sample today!. Black bags, we are only able to print with a 1 colour decoration option. Screen printing on black bags requires a white base to be printed, then your chosen artwork on top. An initial setup, repeat set up and additional colour charge is applicable.