JAM PAPER Plastic Envelopes with Hook & Loop Closure - Jumbo Booklet - 12 x 18 - Clear - 12/Pack Color: Clear Size: 12 x 18 inches Quantity: 12 per pack Our colorful envelope set is made of smooth plastic and features a secure hook and loop closure that seals your documents These translucent document holders are the best way to organize your important papers, memos, projects, presentations, photos, letters, and forms