To update the quantity of an item already in your cart, use the + and - sign to the right of the product title to increase or decrease the quantity on the product’s line.You must click Update Shopping Cart, located under  product quantity, to ensure the changes are saved.If you would like to delete an item from cart, you can change the quantity to 0 and click Update Shopping Cart or click on the X all the way to the left of the product’s line.