About this item (20 PCS, 20 Colors) 【Reflective Strip Keep You Safe】: Reflective strip on the back can reflect the surrounding light to enhance the high visibility to ensure your safety outdoor. Special design for walkers, sports lovers, public security person and other people outdoor at night 【D.I.Y. ART FRIENDLY】: Plain design made those drawstring bags can be DIY freely. Not only can they be used for screen printing, heat transfer vinyl and embroidery. They're also great for Tie Dye, Fabric Markers and Puffy Paint. You can design any patterns you'd like to do your own backpack 【Great for Team Project】: KIMHY bulk drawstring backpack bags perfect for team project: such as basketball teams, cheer team, hockey team. Team members can print their names and numbers on these bags that they would be a huge hit! 【Widely Application】: Lightweight and easy to clean and pack up. Ideal for yoga, work, travel, sports or different kinds of parties, such as birthday, wedding, camping, Halloween, Christmas parties. They are also perfect gifts for friends, families 【Natural Friendly & Long-life Time】: Made of premium polyester. Durable & natural friendly, never pollute the environment, can last several years. You will never need to worry them wear out in 1 or 2 years