Catch Supplies TN331 4 Pack Premium Replacement Toner Cartridge Compatible with Brother MFC-L8850cdw L8600cdw, HL-L8350cdw L8350cdwt L8250cdn Printers |Black, Cyan, Magenta, Yellow| Dustproof plastic bag Shockproof Air bag Brand box Corrugated box There may be a plastic brace, plastic cover, or paper drum protector depending on the cartridge you ordered. This will make sure the toner is evenly distributed within the cartridge. If pulled at an angle, it may cause malfunctions Some cartridge types will not have a sealing strip to pull