This is a set sale. Please understand! ① Sunstar Do Clear For children, for strong teeth that won't lose to cavities series These are unused items that I had in stock. I'm selling them because I no longer use them. The manufacturing date is on the upper back ☆ 2023/12/15 ② Ebisu Co., Ltd. Daily Ultra-Thin Y-shaped Smooth Floss Optimal for molars Trial size, 2 pieces per pack x 2 sets * There is adhesive on the back of the bag, so they are attached back-to-back (Photo 1 is the front, Photo 2 is the back)