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 Base | Charge Qi Enabled Devices Wirelessly By Placing Compatible Device On Top Of Charging Pad | Features A Micro USB Input (Cord Included) | Output: 5 Volts/2.1 Amps | 3600 mAh Lithium Ion Grade A Non-Recycled Battery | Indicator Light | Please Note That Some Computer And Laptop USB Ports May Not Supply Enough Power To Charge A Device Using This Charging Pad.. Approximate Size: 9 1/2″ H, Imprint Area: Silk-Screen: 3″ W x 4″ H …Optional Vertical: 2″ W x 5″ H…. Lid: 1 1/8″ Diameter (Must Specify on PO)… Wraparound: 6″ W x 4″ H (Silk-Screen Only).See General Information For Details On Wraparound Imprint..Optional Laser Engraved: 1 3/4″ W x 4″ H (Must Specify on PO).Vertical or Horizontal Imprints Available. (Must Specify on PO)..