Portable Borosilicate Double Lid Glass

Product information:
Color: 350ml transparent 66 tube (bare Cup),450ml transparent 78 tube (bare Cup),750ml transparent 78 tube (bare Cup),350ml soot 66 tube (bare Cup),450ml Gray 78 tube (bare Cup),750ml Gray 78 tube (bare Cup)
Style: Covered, Tumbler
Material: Glass
Insulation Performance: heat preservation not available
Style: Simple

Size Information:

Double cover 66 tube 350ml: height approximately 17.5cm, bottom diameter approximately 6.6cm
Double cover 78 tube 550ml: height about 20.5cm, bottom diameter about 7.8cm 
Double cover 78 tube 750ml: height approximately 24.8cm, bottom diameter approximately 7.8cm