green sprouts Glass Sip 'n Straw Cup, Light Pink, 4 Ounce, Only $6.01Made with PVC free and BPA free materialsGlass insert does not leach chemicals or hold scent and flavors; Glass insert is covered with plastic shield to protect glassIncludes travel cap, silicone spout, silicone sipper and shock absorbent rubber baseWash in warm, soapy water; Dishwasher safe, top rack only; Do not clean with solvents or harsh chemicals; Avoid use of abrasive cleansersTo disassemble; Untwist non slip base and slowly remove glass insert from bottom; Wash silicone spout and straw separately be sterilizing in boiling water for 5 minutes