◎ Waterproof Stickers The second image compares the sticker to an iPhone X (138 x 65). You can stick it on flat surfaces like guitars, skateboards, helmets, laptops, etc. You can also insert it into a clear smartphone case. ◎ We also offer combined purchases with other products. 2 stickers for 800 yen, 3 stickers for 1000 yen, and then 300 yen for each additional sticker. If you would like to purchase multiple items, please comment first and we will create a dedicated page for you. Alternatively, you can apply to purchase multiple items. In that case, please tell us the product numbers. Shipping will be via mini-letter (no tracking).