【Details】 POLA B.A Wash N Sample 0.7g x 50 packets set ※Photo shows 10 packets x 5 bags 【Shipping】 ★Shipping costs will be covered by the seller. We will ship within 2 days after payment is received. There is a serial number on the back, but the number is different each time, so the number in the photo is an image. If you would like to know the immediate number, please feel free to ask. Thank you for your cooperation. m(__)m