calpalmy 10 pack of 5x7” petg sheet/plexiglass panels 0.040” thick; use for crafting projects, picture frames, cricut and more; protective film that is safe for adults and children calpalmy crystal clear polystyrene plastic sheets: this superior clear petg resembles acrylic in clarity and multi-purpose uses! it’s wonderful for craft projects, hobbies, frames and warehouse or office design needs. protect art and photographs: slip into your 5 x 7 picture frames to protect treasured photos, prints and artwork! it’s the perfect thickness to offer protection, while still fitting perfectly between the photo and frame. shatterproof clear sheets: safe petg panels won’t shatter into shards, so it’s a great product for displaying photos in a young child’s room or baby’s nursery. perfect medium for the cricut engraving: insert into your cricut and let it zip away the excess, leaving you a clear cutout of your design! so great for crafting and schoolwork! cut sharp and clean edges: using a utility knife with a new blade, you’ll quickly master fine cuts and markings to make your project extra-special!