Stainless Steel Outer And Inner | Powder Coated Finish | Double Wall Construction For Insulation Of Hot Or Cold Liquids | Screw On, Spill-Resistant Lid | Wide Mouth Opening | Easy Carry Handle | Meets FDA Requirements | BPA Free | Hand Wash Recommended | Spot Clean Lid | Features High Definition Bluetooth® 4.1 Wireless Technology | Simply Pair Your Handheld Device To Enjoy Dynamic Stereo Sound | 300 mAh Lithium Polymer Battery Included | Pairs From Up To 30 Feet Away | Up To 2 Hours Of Play Time | LED Indicator Lights | Features A USB Output And Micro USB Input (Cord Included) | Works With Most Smart Phones And Audio Devices | The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Hit Promotional Products®, Inc. is under license. Other trademarks and trade names are those of their respective owners.. Approximate Size: 9 1/2″ H, Imprint Area: Silk-Screen 3″ W x 4″ H … Wraparound: 6″ W x 4″ H.See General Information For Details On Wraparound Imprint….. Optional Laser Engraved: 2″ W x 3 1/2″ H .Vertical or Horizontal Imprints Available. (Must Specify on PO)