Weighing just 40g for the small and 51g for the large size these bags are also strong and water resistant to make sure your toiletries and their contents stay separate from the rest of your luggage. Designed to stand up for convenience, there is two internal mesh pockets for organization. Quality you can trust. Large, 260 x 130 x 130mm, 51gm. Small, 210 x 95 x 110mm, 40gms.