Supplies

100-500 meters of light worsted weight yarn (1 skein of Stenli Comfort cotton/viscose yarn is used for the sample)
4 mm crochet hook for the top
2 - 2.5 mm crochet hook for the beads
Measuring tape
5-10 meters of soft rounded elastic band
6 beads with big holes
An embroidery/yarn needle to sew in the ends, stitch markers or safety pins.

This pattern is written in US terms but uses metric system. The top is worked flat in 2 parts.
The gauge is 10x10 cm is 18 sts x 8 rows of the linked double crochet stitch.

This pattern is written using US terms
Ch - chain
St - stitch
Sts - stitches
Sc - single crochet
Sl - slip stitch
Ldc - linked double crochet
3Hdctog - 3 hald double crochet together
Picot - 3 chains, slip stitch into the top of hdc

Cups
The cups are worked from top down.