JAM PAPER Plastic Envelopes with Hook & Loop Closure - Index - 5 1/2 x 7 1/2 - Clear - 12/Pack Color: Clear Size: Index / Check (5.5 x 7.5 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