American Crafts Poster Shop 28" Poster Board Cutter Set (7 Pcs)- 378860 This innovative design assembles like a puzzle and can cut posters up to 28 inches! Simply piece the board together, snap the cutting guides into place and cut straight lines every time. This 10.75×24.25×2 inch package contains one self healing mat measuring 23×29 inches, three cutting guides and one cutting blade. Cut poster boards precisely and with ease. This innovative design assembles like a puzzle for an easier way of assembly and use it anytime you want. This set includes one self-healing mat measuring 23 x 29 inches, three cutting guides, and one cutting blade. All are in excellent and brand new condition for a functional crafting solution. Easily cut posters of different sizes up to 28-inch sized posters. Simply piece the board together like a puzzle and snap the cutting guides into place so you can cut poster boards in straight lines every time. IDEAL FOR CRAFTING - Perfectly made for cutting poster boards; from scrapbooking, journal decorations, memorabilia, card making, and even for your room or home decoration! EASY TO ASSEMBLE - Easily piece the board together like a puzzle, snap the cutting guides into place, and cut straight lines of poster board for optimum functionality and convenience. COMPACT DESIGN - Structured in a 10.75 x 24.25 x 2 inches overall dimension, making it compact and easy to store. Made perfect for use with other scrapbooking tools and projects. DURABLE MAT & HARDWEARING BLADE - Manufactured to quality standards using a hardwearing mat and cutting blade for straight poster board cuts anytime you want. EASY TO READ GUIDES - Designed with cutting guides that are easy to use and assemble by snapping them together for easier cutting of poster boards.