Each one is made from thin and pliable yet durable plastic and features a two button strong tie closure. Use this multi-colored set to color-coat your documents for better organization or to make your documents noticed by recipients when you pass them along! At 9.75 x 11.75 inches (nearly 10 x 12 inches) these envelopes are sized to fit multiple standard sized pieces of paper. Use them to protect your papers from scratches bends and tears at work or anywhere that you will be storing or transporting important documents! Don't leave your documents exposed to the risk of being damaged or lost. Instead shield and organize them with these colorful envelopes!