27" [68.5 cm] in circumference and 18" [46 cm] from bottom of bag to beginning of strap
sparrow / sans 200 / 3 skeins
pair in size US 6 [4 mm] / set dpns in size US 6 [4 mm]
20 sts and 30 rnds = 4" [10 cm] in garter stitch
Bag is knitted in the round from the bottom up. Strap is worked flat extending from body of bag. Ends of strap are joined with the three-needle bind off.
Three-needle bind off (link provided), increasing, decreasing, working in the round.