Feature

●5-10 work days to USA with tracking number
●6 pcs of 80,100,110,120,140,160mm outer diameter
●For 50ml --20000ml round bottom flask
●Made of cork

Description

5-10 work days to USA by epacket with tracking number
This 6 pcs set includs all the size of cork ring.
It is made of cork.
80mm for 50-250ml
100mm for 150ml-1000ml
110mm for 250-2000ml
120mm for 500ml-3000ml
140mm for 1000ml-5000ml
160mm for 3000ml-20000ml