Mercerized crochet cotton size 30. Steel crochet hook US size 11. Charted with some written instruction.

Swatch 14 dc wide and 6 rows high = 1 3/8” wide x 1 5/8” high.

For mat 29.5 x 16”, use pearl cotton 5 and hook size 7.

Pattern 29, p 54 in Decorative Crochet.
Pattern 7, Gente Dame, in 1000 Mailles.