Size depends on type of yarn and size of hook.
The following pattern is my original design and can only be copied or printed for personal use. I have tested this pattern but if you find an error please contact me. I also made one with Simply Soft yarn and it worked up nice too. Ch 3, turn. Dc in next 3 dcs, skip next 3 dcs, work open shell in next dc, sk next 3 dc, dc in next 4 dc.