-Double wall stainless steel and performance thermoplastic 
-Keeps drinks hot or cold for up to 15 hours 
-Leak resistant, vacuum design 
-Built-in, easy drink, molded lid 
-Dual cap lock system (quick release and security hinge lock) 
-Re-inforced, long life cap hinge 
-Easy screw-on cap with wide mouth opening 
Product size: 2 5/8" x 7 1/2" (12oz)