Come and see our amazing products. Collapsible Straw is made of silicone for the box and stainless steel for straw. 0.9" x 0.3" x 0.2" for the contractile straw, and 8.6" for the stretched straw. It's environmental-protection, and easy to carry. Your logo can be customized. Pls confirm with us about the packing info, stock color and exact production time before placing your order.