Curved borosilicate glass straw, sold in bulk, without packaging. Length: 20 cm Outside Diameter: 8 mm Glass thickness: 1.5mm The + product: ✔ Reusable ✔ Borosilicate glass, BPA free ✔ Dishwasher safe and freezer resistant ✔ Heat resistant up to 200°C and cold up to -20°C. ✔ Original Straws As with any glass object, the use of these straws by children must be under adult supervision. These glass straws are resistant to small impacts, but can break in the event of falling to the ground, for example. Do not use in case of cracks or breaks, as there is a risk of cutting. These straws must be cleaned before they are used for the first time.