This is a pre-order for a pan of custom (you choose the colors) Beatrix Baby Yak and Mulberry Silk base. Each pan includes five skeins of the following:
 
50% Depigmented dehaired Baby Yak 50% Mulberry SIlk 
219 yards per 50g hank
Yarn Weight: Sock/Fingering Weight, 4 ply construction
Suggested Needle/Hook Sizes and Gauge:
Needle Size: 2.5 - 4mm (US 1.5 - 6) needle and C-G Hook
Gauge (stocking stitch): 28sts x 36 rows over 10cm/4 inches on 3.25mm (US 3) needles
 
Since this is hand dyed yarn, there are subtle differences between the skeins. If purchasing multiple skeins, it is recommended to alternate between them. 
Care Instructions: Hand wash in COLD water. Dry flat, do not sun dry or tumble dry. Avoid wringing and twisting.