With the QuickStampz System, you can turn all of your QuicKutz dies into disposable foam stamps! This set of four 2" x 2" washable, reusable acrylic Rockers is a great expansion pack for the QuickStampz Starter Kit. 2x2 Rockers # clear acrylic for perfect placement of stamps # unique stacking design for easy and compact storage # ruler guidelines for simple and correct placement of stamping foam # unique rocker mechanism to prevent excess ink spots and even stamp coverage NOTE: Stamping Foam (sold separately) is required to create QuickStampz foam stamps.