Two finger holes and a large rubber dowel for use on the rings. Measure from base of palm to tip of longest finger.
Available sizes:
X-Small (0) - up to 6-1/2"
Small (1) - 6-1/2" to 7"
Medium (2) - 7" to 7-1/2"
Large (3) - 7-1/2" to 8"