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Be wary of any product that doesn't specifically claim to be real leather. Check the surface grain, the little "pebbles" and pores, for imperfections and uniqueness that signal genuine leather. Press into the leather, looking for creases and wrinkles. Smell the leather, searching for a natural, musty smell instead of plastic-like or chemical-y. Use the fire test, recognizing that it will likely ruin part of the good. Note the edges, as real leather has rough edges where faux has even, perfect edges. Bend the leather, looking for it to change color slightly in real leather. Drop a small amount of water on the good, as real leather absorbs moisture. Know that real leather goods are rarely ever cheap. Ignore color, as even colored leathers can be genuine.
If it is labeled as ‘manmade material,’ it is definitely synthetic leather. But if it doesn't say anything at all, chances are good the manufacturer wants to conceal the fact that it isn't real leather. Of course, used goods may have lost their tags. But most manufacturers are proud of the fact that they use real leather, and will note it as following:  Real leather Genuine leather Top/Full grain leather Made with animal products Imperfections, in leather, are actually a good thing. Remember, real leather is made from animal skin, and thus each piece is as random and unique as the animal it came from. Very regular, even, and similar grains often indicate a machine-made piece.  Real leather might have scratches, creases, and wrinkles -- this is a good thing! Note that, as manufacturers get more skilled, their designs are better mimicking real leather. This makes buying online, where you only have a picture, very difficult to do. Real leather will wrinkle under the tough, just like real skin. Synthetic materials usually just depress down under your finger, retaining rigidity and shape. If you're completely unsure of the smell you're looking for, head into a store that you know sells genuine leather and test out a few bags and shoes. Ask if they have any synthetic pieces and smell those as well. Once you know what you're looking for, the smell differences will be unmistakable. Remember, leather is just worked animal skin. Faux leather is made of plastic. It seems obvious, but real leather will smell like skin and fake will smell like plastic. While there are few circumstances where burning a good is preferable to leaving it alone, this experiment works if you have a small, hard-to-see area that you can test, like the underside of a couch. Hold a flame up to the area for 5-10 seconds to test it out:  Real leather will only char slightly, and smell a bit like burnt hair. Faux leather will actually catch flame, and smells like burning plastic. Machine made leather looks machine cut. Real leather is made of many strands, which naturally fray around the edges. Faux leather made from plastic has no such strands, meaning the edges are cleanly cut. Similar to the "wrinkle test," real leather has a unique elasticity when bent, changing color and wrinkling up naturally. Faux leather is much more rigid and regular, and will usually be difficult to bend by comparison. If the good is fake, the water will simply puddle up on top. But real leather will absorb a small drop of water in only a few seconds , telling you quickly if it is genuine. A product completely made of real leather will be quite expensive. They usually sell at fixed prices. Shop around and get a feel for the price of real leather, semi leather, and synthetic leather products to understand the differences between them. Among leathers, cow leather price is the highest due to its durability and easy tanning property. Split leather, which is an under layer split from the surface layer, is less expensive than top grain or belting leather.  If a deal seems too good to be true, it likely is. Real leather is expensive. While all real leather goods are much more expensive than fake, there are actually different types of real leather as well, all with widely different pricing. A bright blue piece of leather furniture may not look natural, but this doesn't mean it isn't made of real leather. Colors and dyes can be added to both synthetics and natural leathers, so ignore color and stick to feel, smell, and texture when searching for real or faux leather.