During the YCSJ and Duelist Festival, by purchasing 1000 yen worth of product (incl. tax), you can receive 1 pack of 10 sleeves with your purchase while supplies last.

Each customer can only get up to 10 of these packs (10000 yen worth of purchases), and neither the Tearlaments Duel Set or Rush Duel products count for this particular campaign.

Each customer can only get up to 10 of these packs (10000 yen worth of purchases), and Yu-Gi-Oh! OCG products do not count for this particular campaign.

Source.