Simply position your cardstock on the platform using the handy ruled edges, use the included magnets to keep your cardstock in place, and adhere your stamp to the clear top of the stamping platform. You will be able to position your stamps perfectly for the best results every time. Includes a foam mat for use with clear stamps. Includes 2 thin and powerful magnets for positioning card stock. Stamping area dimensions: 7 x 8.25 inch. Full dimensions: 8.5 x 9.5 inch.