The required materials and tools:
1. DK weight/ size #3 yarn, I used:
Alize Cotton Gold Pratica (55% Cotton - 45% Acrylic, 100g (3,53oz)/220m (240yd)) black (60) – 105g (3,7oz)/231m (252yd) white (62) – 35g (1,23oz)/77m (84yd) light beige (382) – 168g (5,93oz)/370m (403yd)

1. 2.75 mm crochet hook
2. Scissors
3. Yarn needle

Abbreviations (US):
Ch - chain
Sc – single crochet

The finished bag using the materials stated in this pattern is ~ 14.6 inches / 37 cm in height and ~14.6 inches / 37 cm in width.