reusable straws collapsible stainless steel, 2 pack portable telescopic metal drinking straws with case, aluminum key-chain, cleaning brushes for home work travel (black & azurepurple) gubay <b>advantages of gubay drinking straws</b><br> <b>material</b> - it is made of high quality 304 stainless steel, which is more safer and healthier than plastic.<br> <b>telescopic reusable straws</b> - straws can telescopic from 3.94 inch to 9.25 inch, perfectly compatible with 10~40oz cups or tumble.<br> <b>portable</b> - easy to carry with the travel case and keychain to outdoor picnics, camping, hiking, travelling, home and office.<br> <b>easy to clean</b> -- build in a stainless steel telescopic brush, the best way to get all the gunk out of your straws, thereby preventing the buildup of bacteria and mold.<br><br> <b>package include</b><br> 2* metal reusable straws<br> 2* cleaning brush<br> 2* metal case<br> 2* key-chain<br> 6* silicone lips<br> <b>warming tips</b><br> 1. straws boil disinfection is the necessary step before the first use.<br> 2. vinegar can clean the incrustation perfectly.<br>