less than about 300 ml and more preferably less than about 250 ml and a weight weighted mean length of less than about 3 mm preferably less than about 1 2 mm the paper of the present invention has an apparent density of at least about 0 80 g cm 3 in one embodiment of this invention the paper has density greater than about 0 80 g cm 3 and less than about 0 98 g cm 3 the papers of the present invention are prepared using methods known in the art such as wet lay methods to prepare an as formed paper which is preferably subsequently calendered the papers generally have a gurley air resistance gurley no greater than about 250 seconds even no greater than about 50 seconds the wood pulp used to prepare the paper of the present invention can be unbleached or bleached hardwood or a combination of hardwood and softwood in a preferred embodiment of the present invention the wood pulp is bleached the as formed paper of the present invention can be prepared using methods known in the art such as by forming on a fourdrinier inclined wire or cylinder type papermaking machine the as formed dried paper of the present invention preferably has a basis weight of at least about 55 g m 2 preferably between about 60 g m 2 and 120 g m 2 more preferably between about 80 g m 2 and 100 g m 2 in one embodiment the paper of the present invention can comprise one or more plies having the same or different wood pulp characteristics in the various plies for example one of the plies can be formed from hardwood pulp and another of the plies can be.