These tiny cups are great as both shot glasses, espresso cups, and planters for succulants and cacti!
Glazes are food safe, dishwasher safe, and microwave safe (although this chocolate clay does get extra hot in the microwave so beware if using in microwave).
1. about 1.9"(h) x 1.5" (d)
2. about 1.9"(h) x 1.8" (d)
3. about 1.9"(h) x 1.4" (d)
2nd reason: a few air pockets in the clay causes some bubbles to appear. Still functional and doesn't take away from the pieces.