Shipping: Within Hong Kong: 3-5 days if the product is in stock Outside Hong Kong: 7-14 days if the product is in stock . Size: around 3.2cm x 3.2cm . Science Sticker Set: https://www.pinkoi.com/product/DKlv4UiK Laboratory Sticker Set: https://www.pinkoi.com/product/vWV7cRLx?category=3 . Both White and Clear Sticker are made of PVC and are water-proofed. Please allow for some variation in color as displayed on different devices and screens. Actual colors may vary. .