This mask comes in size Medium. Please see picture for ideal weight range for this size An absolute bargain - retailing at 65 on ebay and even more in the shops!!! Please note this item is being advertised elsewhere so the listing may end at anytime. As you can see from the pictures this is the genuine article. No stock photos here!! The box is still security sealed. Never been opened. There is also a photo showing the hologram illustrating the authenticity of this item. I have another one I use and it's amazing. Seeing results in less then two weeks. Guarantee It's ok to change your mind. Simply return unused within 14 days for your money back Shipping Shipped next day via MyHermes tracked. I will send a link immediately after payment is received. You can expect delivery within 2-3 days. any questions please get in touch Thanks for.