this is for 1000. factory sealed. crystal clear bags. for modern age comics.they come in packs of 100.and also come with a self sealing.strip.make sure if you have perchased bags of somebody else that these will fit them . and are postage free. in the u.k. as these are ready packed and ready for shipping they will post the same day as payment is made. will go on 2nd class post.and also i would like to mention these bags are as clear as mylar.s.