This 2-seater tufted boneless sofa is wrapped in premium velvet fabric and filled with integrated 32D high-density sponge. It adopts ergonomic bottom design, anti-slip structure, independent modular style and no assembly needed for living room and apartment use. PREMIUM SOFT VELVET FABRIC：Ultra-plush velvet brings cloud-like comfort and upgrades home interior elegant decorative style. 32D HIGH DENSITY BONELESS SPONGE：Whole-piece foam with fast rebound, no splicing, supportive and long-term deformation resistant. ERGONOMIC BOTTOM DESIGN：Humanized structural design fits body curve perfectly to bring relaxed sitting experience. BOTTOM ANTI-SLIP PROTECTION：Built-in anti-slip structure fixes position steadily and avoids sliding and shifting during use. ELEGANT TUFTED SILHOUETTE：Exquisite tufted cushion and rounded shape add luxury and warmth to living space. NO ASSEMBLY CONVENIENCE：Unpack directly, sponge rebounds naturally within 72 hours for hassle-free enjoyment.After opening the compression bag (Note: do not cut with a knife, so as not to damage the product), if there are wrinkles around the cushion corners, you need to wait for about 72 hours. It is recommended that you pat and knead the corners of the sofa to help the foam recover better.If you need any help, please take a picture and contact the seller.