This item is for 10 cupping cups: 2 pieces for size no.2, 4 pieces for size no.3, 4 pieces for size no. 4

Material: glass
Size no. 2: internal diameter: about 3.4cm, external diameter: about 5.1cm, widest part diameter: about 6.4cm
Size no. 3: internal diameter: about 3.9cm, external diameter: about 5.5cm, widest part diameter: about 7.5cm
Size no. 4: internal diameter: about 4.5cm, external diameter: about 6.6cm, widest part diameter: about 8.6cm