The lead bags might offer insufficient protection. I read somewhere that the operator of the xray machine can increase the level of the xray to the point where it sees through the lead bag, and consequently the film gets even more exposure. (otherwise the terrorists would put their weapons in lead bags, right?) I've had success with the transparent ziplock bags, as suggested above, with a couple of rolls of TMax3200 thrown in as an excuse to not have the whole lot xrayed, but there has definitely been a change in the attitude of inspectors.(posted 8382 days ago)I've never developed film in a hotel room, but I'm considering it in the future. But 700 rolls? Maybe developing there could be arranged somehow.