Constructed of heavy duty water resistant Cordura nylon sides and nearly-indestructable Ballistic Nylon bottom. Side seams of bags are double stitched so that no fabric edges are exposed for fraying. Bottom seam is double stitched and webbing reinforced for superior strength and resistance to abrasion. Drawstring closure with cord lock. Accomodates rope and or equipment. Has unique inside log book pouch. Handles connected to interior. Grommet on bottom allows drainage.