These are puffy Pokemon stickers. They are about 4 centimeters in size. They were found among old children's toys. Details are unknown. The text reads "2006 Pikachu Project." Since they are old, they appear to have deteriorated somewhat and are discolored. Chatot Wailord Aipom - Size: Approximately 4cm - Year of Manufacture: 2006 - Series: Pokemon Series I don't think they are Pompom Drop stickers. Antique