This is a popular sized glass fish bowl that is well suited for small table arrangements, floral centre pieces, terrariums and can be used as a candle-holder. Top opening is 8cmD, widest measurement 14cmD, height 12cm. Weight is approx. 420g. NOT Suitable to be filled with water and used as a fish bowl. The holding volume of the bowl is 1.5L. Please note, as this is a handmade product, diameter of opening may vary.