Our vases are 100% of hand made products and we have 5 professional artisans who month blown the vases according to the design team. Our glass vases are usually thicken 3mm to 5mm and weighs for more than one Ib than those similar ones from other brand. Our vases also not only have great transparency but also sturdy and solid which makes them very functionally and artistically. Occasion: GREAT GIFT and BEAUTIFUL DECORATION with your flowers and filler or plant for home and wedding indoor and outdoor, house warming, wedding ceremony, conference, and hotel decoration. In addition the vases are heat resistant and candles can also be placed inside of the vases as long as the fire of the candles don't touch the vase surface directly. Fabric Content - glass Care Instructions - Hand wash