This sheath is precision sewn and made of very high grade 8/9 oz. cowhide with a welt in the seam so the blade does not cut the threads. It is soft enough so that most handles will slide in for final water fitting. Snap is included, but not attached to strap. Fits blade BL478. It has a snap over flap. Inside opening is 1-1/2" x 6-1/4"