VICTORSTAR@ Compatible Ink Cartridges for HP 364XL 4 Colors Black+Cyan+Yellow+Magenta with Chips New compatible ink cartridges with frosted-surface material Color shell is high grade and beatiful, it is anti-transformation design can effectively prevent from transforming Special design of stock increase volume of ink by 20% Air guiding avoids ink dripping after pulling the gas film, the air in the cartridges flow freely It can decrease the amount of residue of ink, which is good for enviramental protection