Core Nylon Slim Brush Case What it is A chic, black nylon, six-pocket, brush tri-fold case.What else you need to know Constructed of durable, black nylon trimmed in slick black vinyl, this compact brush case has six slide pockets and a protective flap for brushes up to seven inches in length, plus a slim inner zip pocket sized perfectly for storing a couple of your favorite eyeshadows. The button and loop closure keeps your essential tools safe and sound en route.