About Shipping, Cancel the order and return policy (June 2022 update) please check the link below https://xtia.design/blogs/%E6%96%B0%E9%97%BB/about-shipping We started trying to use the AliExpress platform to provide a cheaper but slower shipping method. Aliexpress store address : ( https://www.aliexpress.com/store/1103738004?spm=a2g0o.detail.0.0.3b75HclaHclaFX ) AliExpress has a great advantage in postage for parcels less than 1KG, so it is more suitable for purchasing accessories. For the chassis itself, because the package weight exceeds 4kg, there is no advantage in postage and transportation time. 1: Non-woven fabric base, rubber non-slip coating, cloth surface,No rubber smell，Lightweight 2：210*240MM 3：For Xproto/Xproto-L /Xproto-mini Gen2 modify: Size adjustment, slightly reduced, will no longer be folded during transportation, resulting in fold marks
