Picket Fence Studios Storage Pouches 5"x 11" 10 pack - Stamps, Slimline Dies & Slimline Stencils. When you need a place to store all your slimline supplies such as stencils, stamps, and dies, reach for this package of ten Slimline Pouches from Picket Fence Studios. These pouches measure 5" x 11" and are made of clear plastic, so finding your products will be much easier. These pouches have a half moon closure on the back of the pouch so the flap tucks in easily, to keep your supplies clean and dust free.