Bandanas Green Nosotros. Available in a variety of colors, these bandanas are great costume accessories to complete any Halloween outfit. The bright colors also make these a stand out accessory for school functions, sporting events and spirit days. With the large variety of colors you'll have no problems finding your school colors. Made of polyester, these bandanas have a traditional black or white paisley pattern imprint. Care instructions: Hand wash in cold water. Lay flat to dry. If ironing is needed, cover the cloth with an old towel or sheet before ironing to protect the imprinted design.