Fiber content: it is 50/50 and not 51/49 as it is written on their site (reply of Bergère de France).

Gauge: 16 sts x 20 rows = 4” x 4” (10 x 10 cm).

Machine wash 30° C.
Do not bleach.
Tumble dry authorized -low heat.
No iron.
Dry cleanable (underlined P).