For Minato's Hydrotizer. Hot packs: 2 medium, 3 small, everything in the photos. These are new and have been stored for a long time. As shown in the photos, the small ones are a bit darker in color, but it's unclear if this is discoloration or their original color. The retail price was probably around 20,000 yen for a set of 5. - Quantity: Set of 4 - Color: White - Material: Fabric - Size: 2 medium pads, 3 small pads