- Product Name: Ato fine - Size: L (10-15 cm) - Expiration Date: 2027.5.21 - Instructions: For application This is a set of 10 Ato fine L-size strips. They have been taken out of the box but are new and unused, and have been stored in a cool, dark place. They will be folded to fit into a Yu-Packet Post Mini envelope, so please be aware of this before purchasing.