Product name: Base Tilting Prevention Shelf BaseExpanded size: 200*200*30mm/7.9*7.9*1.2in Foldable size: 100*100*30mm/3.9*3.9*1.2in Product color: As shown in the figure Product material: Nylon Product features: 1.Made of nylon material,durable and lightweight. 2.3 kinds of bayonets fit most gas tanks,like 250g long butane cartridge, 110g flat tanks and 450g flat tanks. 3.Suitable for camping,hiking,backpacking,cooking and other outdoor activities. 4.Easy to fold and then put into your backpack to save space. 5.Anti-sliding serrated design on the bottom and fixed design provides stable support. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Base Tilting Prevention Shelf