Quality Park™ White Cotton String in Ball All-purpose twine is a must-have in the mail room as well as around the office or home. Use it to secure packages and tie items together. 10-ply twine is thick and durable to withstand shipping and handling, and it can be tied easily into knots. Neutral white complements most packages, whether they be white, brown or gray. Distribute the 6 balls of twine to various locations around the office, or stow them away for backup.