5" x 7" Class Pack of Gelli Printing Plates. Contains 5 Gelli printing plates and 5 Mini Placement Tools! Only gel printing plates High quality, odor free, 1/4" thick Always ready to print - ideal for classrooms and workshops! Gelli Arts Perfect Placement Tool Create perfectly aligned layered prints. Print layer on top of layer - and have them aligned perfectly. Create prints in the center of your paper. Works with 3x5", 5x7"& 6x6" & 8x10" gel printing plates. Suitable for paper size 6.25" x 8.25" (A4 is 8.27 x 11.69") 100% acrylic, with long lasting etched markings. Acrylic is recyclable. When you receive your new tool, remove the paper backing on all the pieces to reveal a crystal clear acrylic tool. Happy Printing! Non-toxic. Made in USA.