This 4-seater U-shaped sofa is crafted from premium velvet fabric and high-density 32D sponge. Designed with tufted details, anti-slip base and free combination structure, it comes with movable ottomans and needs no assembly for multi-scene use.PREMIUM ULTRA-SOFT VELVET: Skin-friendly velvet surface brings cloud-like comfort and upgrades home decorative taste.32D HIGH DENSITY SPONGE: High-elastic integrated sponge maintains shape well with firm support and no collapse.FREE MODULAR COMBINATION: Independent units can be rearranged freely to fit different room layouts and space sizes.MULTI-FUNCTIONAL MOVABLE OTTOMANS: Can be used as footrest, extra seat or chaise for U-shaped and sectional matching.ANTI-SLIP BASE DESIGN: Stable bottom structure prevents sliding and ensures safe placement at home.CLASSIC TUFTED AESTHETIC: Exquisite tufted craft creates retro luxury style to match various home decoration styles.NO ASSEMBLY REQUIRED: Unpack directly to use, saving time and effort without complicated installation steps.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. Product Type: 4-Seater U-Shaped Modular Sofa with Movable OttomansMain Material: Premium Soft Velvet FabricFilling Material: 32D High Density Fast Rebound SpongeDesign Feature: Tufted Decoration, Anti-Slip Base, Free CombinationApplicable Scene: Living Room, Home Theater, Apartment, Leisure RoomInstallation: No Assembly Required