The double-walled Brazilian Pronto Glass Coffee Cup made of tasteless-borosilicate glass that are light and robust at the same time. Under the glass floor is a hydrophobic silicone membrane, which serves to equalize the pressure between the glass walls. It leaves the glass breathe': with cold drinks, no condensation forms on the glass surface and the glass does not leave any unsightly water rims. These glasses are also ideal for serving ice-cream and other desserts. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.
