People often unaware of Sampler, they get confused between tester and perfume sampler. But the sampler is a miniature od original perfume, which contains about 1.2 ml of perfume liquid. The samplers are used for promotions and are distributed free of any charge. Whereas the tester never comes free of charge, and also comes in a large vial, they are almost identical to original perfume. Testers are never used for advertising the sole purpose of a tester is to deliver the true essence of the product.