This toiletry bag is made of 0.5mm thick transparent PVC, make you easier to spot your items, and ensure the security staffs check the items quickly; Reinforced seams prevent the bag splitting easily, to effectively reduce the liquids leak out from this bag (zipper is not waterproof). This quart size bag perfectly suits travel bottles, also great to store cosmetics, toiletries, toys and small stuffs; Tips to remove the smell of the small travel toiletry bag: Please firstly wash the outside and inside of the clear makeup bag with soap and water; Please unzip the bag, then leave the bag in a well-ventilated place for a few days