Hello, for thoose doing acrylic paint on mugs, where do you buy the mugs? Do you need to apply something before painting ? And how do you seal it? Thank to this 12 Cup Drip Coffee Maker with Spiral Showerhead Matte Charcoal Grey KitchenAid US Pretty sure it's written somewhere: two cups minimum. Rambler 6 oz Stackable Mugs Snapware Total Solution Pyrex Glass Food Storage Container, 1 ct Pick 'n Save