“US Military General Purpose Large Tent system. 18′ x 54′ Canvas Tent. Complete with ropes, sidewall & center poles. Sidewall height 5’8″”. Center ceiling height 12’3″”. Roof chimney flaps for stove. Horizontal ridge beam is optional for an additional $49.95. Remember, the ridge beam IS NOT required to use this tent. Also, tent stakes are not included but can be purchased at an additional $1.50/ea. Tent prices are subject to change at any time. Tent weight is 400 lbs., Complete system weight approx. 660 lbs”