Size(Approx)23525540 mm (1Inch=25.4mm). We will use chinaPost Air Parcel Service It usually takes 10 to 21 days and to be delivered byyour local Post Office! Some countries maybe just 10 to 20 days to be delivered such as USA, UK, Australia, Canada and etc. However, somecountries may take a little bit longer such as France, Italy, Brazil, Ukraine, Russia and etc. Therefor, Buyerplease to be patient for your packages!Thank you for your understanding. PS: Holiday timeshipping could be delayed sometimes! If you're not 100%satisfy with our products, you. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Crystals & Mineral Specimens\Crystals". The seller is "mufencrystal" and is located in this country: CN. This item can be shipped worldwide.