I saw this in person and it really a neat design when you see the whole tea leaves inside plus the warmer on the bottom with the candle.

From the Teaposy Website:

Teaposy Glassware Left to Right:
Soul mates cup + saucer, 3oz
Tea for one teapot, 12oz
Light my fire warmer
Tea for two teapot, 16oz

Head resistant borosilicate glassware to enjoy teaposy + loose leaf tea
Safe in the temperature range from -4f to 300 f
Contains 20% recycled material