This accessory tray is designed for the ZWO Seestar s50 smart telescope, and is made from PLA matte material. The tray is both convenient and easy to use, with clips that attach directly to the tripod. So you can store all your accessories or keep your extra battery in one place, while using the Seestar. The tray is perfect for storing accessories such as eyepieces, filters, powerbanks and other small items. It is made of PLA material so it is recommended to use only during the night time, direct sunlight may damage(melt/bend) the accessory tray.