Instant purchase is okay. I'm selling these because I don't have a chance to use them. This is a set of 32 bottles + retarder. Colors include: White Black Sky Blue Cobalt Blue Ultramarine Yellow Yellow Ochre Sepia Red Scarlet Violet Green, etc. Sizes are: 100ml (largest) 40ml 20ml 11ml Please check the images for the remaining amount in each bottle.