What is a permanent fruit?
A perm fruit is bought with Robux from the Permanent Fruit shop. Unlike a physical fruit, you never lose it. You can switch back to it from your inventory at any time.
How perms are traded
Perms are traded as gifts: one player buys the perm for the other with Robux. Because real money is involved, perms trade for much more than physical fruits.
Which perms are worth buying?
If you use one fruit all the time, a perm means you never lose it. Perm Dragon, Kitsune and Magnet are the most wanted. Perm Buddha is a good pick for grinding and costs far less.