First, examine the fabric and stitching
When buying a leather sofa, start by checking the surface material. Leather sofas are typically divided into full-grain and semi-leather varieties. A full-grain leather sofa is made entirely from high-quality cowhide, which comes from about 10 cows per set. It's known for its durability, breathability, and environmental friendliness, making it popular in countries like the US and Europe. A semi-leather sofa uses artificial or PU leather on the back, seat, and other hidden areas, while the parts that come into direct contact with the body are still made of premium cowhide. This reduces the overall cost without compromising comfort. Leather types include yellow cowhide and buffalo leather, and they can be categorized by layers—top grain, second grade, or third grade. They also vary by origin, such as domestic or imported. Imported top-grade yellow cowhide from Italy or Germany is considered the best, offering excellent color fastness, elasticity, breathability, and strength, especially in tear and tensile resistance. High-quality leather sofas should always use first-layer cowhide.
When inspecting the leather, look for a rich, glossy finish with no visible scars. The texture should feel smooth and fine. Gently pinch a small area; it should feel soft yet firm. After sitting, any wrinkles should disappear quickly or remain barely noticeable. If the leather feels thick and supple, it’s likely of good quality.
Second, check the frame quality
Test the frame by gently shaking the sofa back and forth. A solid frame will feel stable and not wobbly. Ask the salesperson to lift the corner of the bottom cover. If the wood inside is solid, free from insects, cracks, or splinters, and the joints are connected using mortise and tenon techniques rather than nails, then it's a sign of good craftsmanship. These methods ensure long-lasting durability and structural integrity.
Third, evaluate the fabric
The fabric should be tightly fitted to the inner padding, with no loose areas or wrinkles, especially around the armrests and the junction between the seat and backrest. For curved armrests, check if the arc is smooth and well-shaped. If the fabric has a pattern, make sure the design is consistent and aligned properly, with no distortion or slant. Sit down and test the comfort: does the seat and backrest support your body naturally? Is the height of the cushion and backrest appropriate? Are the armrests at a comfortable level? When you stand up, check if the fabric on the seat and backrest remains tight and doesn’t show lasting wrinkles.
Fourth, consider the foam density
High-end sofas use high-density foam (30 kg/m³ or more) for the seat cushions, and 25 kg/m³ or higher for the backrests. Some foams are treated to be softer without losing density, and some even include vertical springs for added resilience and longevity. Ideally, the seat should compress slightly when sat on, about 10 cm deep, for optimal comfort and support.
Fifth, assess the internal padding
Top-tier sofas often feature a combination of nylon belts, snake springs, and high-elastic foam, along with sprayed cotton and light foam for a soft, supportive feel. Mid-range models may use rubber fiberboard as a base, topped with medium-density foam and cotton, giving a firmer seating experience. When purchasing a fabric sofa, ensure the seat and back covers have a looped structure, and high-end models usually include a cotton lining. Choose thick fabrics with a weight of over 300 g/m² for durability. The fabric should withstand at least 12,000 abrasion cycles. Imported fabrics from European or American manufacturers are often superior, with minimal color variation, strong color fastness, and special treatments for stain resistance, anti-static, and flame retardancy. The fabric should have a fine weave, no skipped threads, and smooth, even seams. Stitching should be straight and even, with tight seams and rounded edges.
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