Come and see our amazing products. Portable Folding Travel Silicone Coffee Mug is made of silicone. We have a variety of colors for you to choose from. This is a collapsible silicone cup, which is very convenient to carry. It measures approximately 3.5x3.5x5.2 inches when folded, and approximately 2.12 inches when folded. Also, if you need a custom logo, please contact us. Pls confirm with us about the packing info, stock color and exact production time before placing your order.