Zojirushi White Twist open Mug 0.48 L Limited Edition only in Thailand.  It's made from stainless 304

Contain = 480 ml

Keep hot = 6 hours

Keep cold = 6 hours

weight = 0.23 Kg.  light weight easy to take it anywhere.

W x L x H = 6.5 x 6.5 x 21.5 cm