Simply add as many items as you wish to your shopping cart while browsing our store. Once you want to proceed with the order - do so by going to the cart and clicking "checkout". Borosilicate glass is superior to soda-lime alternatives because of its thermal-shock resistance and noted longevity. Many products were made with borosilicate glass until a switch was made to soda-lime alternatives because it is cheaper to produce. Learn more. the instructions by providing us with delivery information and select payment method the for goods - we will ship your package within X business days.Our support team is always happy to guide you at any step!