Some sample labels:

Avery 5160 | 1 x 2-5/8
Gaylord 8511 Spine Label
Avery 5460 - vertical
Avery 5460 - spine labels
Avery 8163 - 2rows x 5 rows
cards Avery 5160 | 1 x 2-5/8 : 1 x 2-5/8\"  [3x10] : equivalent: Gaylord JD-ML3000