magic z (z for zipper) pouches are ultra lightweight toiletry bag made of very durable material. probably they are one the most lightweight pouches ever with size s only 12 grams and size l only 19 grams. it is especially convenient for traveling, because of its weight, but practical for anything like a pencil case or to organize little things. material double layer ripstop nylon size s 15 x 22 cm, l 22 x 28 cm made in poland & Vat rate 19.