Fla. Stat. § 506.505

Any person, firm, corporation, or association engaged in receiving, packing, handling, or selling eggs in permanent baskets which contain four dozen or more shell eggs may, in order to designate the ownership of such baskets or distinguish such baskets from other similar baskets, adopt, own, and use any name or mark and permanently affix or stamp such name or mark on any egg basket, except cardboard, fiberboard, or corrugated containers, which egg basket is owned by such person, firm, corporation, or association.