Jiaderui 12 Pack Reusable Drinking Tumblers Review

【Best Straws for Drinks】Are you suffering for the metallic/plastic taste when you have the hot drinks with some straws? Are you suffering for the cold feeling on teeth when you have the cold drinks with metal straws? Are you suffering for growing mold when you leave your silicone straws alone for a long time? Try our glass straws,you'll get a surprise! Our high borosilicate glass straws can keep the original taste of drinks very well and would not leave any taste in your drinks. 【Not As Fragile As You Think】Remember those nearly indestructible Pyrex cups and bowls, which your mother and grandmother had? These are made of the exact same stuff! Naturally clean, this borosilicate glass is shatter-resistant, making it both safe and durable to drink from. Besides, the edges of our straws are made smoothly, it would never hurt your mouth and teeth. 【Protect You From Diseases】Plastics contain a very dangerous chemical called Bisphenol-A (BPA), which would cause early puberty, hormonal disruption, obesity, as well as breast and prostate cancers. The coloring in plastic straws also contains heavy metals, such as Lead and Cadmium which would cause great harm to the children. Our glass straws are 100% safe and will not cause any health problems.Meanwhile,drinking coffee with straws can effectively prevent your teeth from turning black. 【Perfect Length & Diameter】Usually, we use straws with cups and tumbler from 16 to 30 oz. According to our investigation, 9 inches is the perfect length for these cups and tumblers. 8 inches straw is too short for 30 oz tumbler, and 10 inches straw is too long for 16 oz tumbler. Meanwhile, 9mm outer diameter is suitable for most of holes in the lids(usually, the diameter of the hole is 10 mm), and 6mm inner diameter is suitable for most of drinks except boba tea and heavy smoothie. 【What You Get】6 x straight straws + 6 x bent straws + 2 x brushes. Besides, you also get a lifetime warranty for our glass straws. If you don't like it, you can get a full refund. Any time you get a problem, feel free to contact us, we will reply to you in 8 Hours, and help to solve your problem until you feel satisfied.