This patterns includes instructions for the lining, with an open and a hidden pocket, also links to videos for this pattern.
The bag is apr. 25 x 18 cm / 9.84 x 7.09 inch, depth: 13 cm / 5.12 inch.
You will need:

• ribbon yarn. Depending on the brand 2 or 3 skeins
• crochet hook: 5 mm / 5(UK) / I-9 (US) and a smaller one to insert in the holes of the faux leather bottom
• faux leather bottom: 25 x 13 cm /9.84 x 5.12 inch
• lining, faux leather and interfacing
• 2 zippers (1 for bag and 1 for pocket) faux leather shoulder strap