This 110-inch 3-seater modular sectional sofa is made of premium velvet fabric and 32D high-density sponge. Designed with tufted details, ergonomic anti-slip base, it supports free combination and needs no assembly for versatile space use.PREMIUM SOFT VELVET FABRIC: Ultra plush velvet offers cloud-like sitting comfort and upgrades overall home decorative charm.32D HIGH DENSITY SPONGE: High rebound integrated foam delivers firm support and maintains shape for long daily use.FLEXIBLE MODULAR DESIGN: Independent units allow free rearrangement to match different room layouts and space styles.ERGONOMIC & ANTI-SLIP BASE: Humanized bottom design fits body posture and prevents sliding for stable placement.EXQUISITE TUFTED AESTHETIC: Classic tufted craft adds retro luxury look to study, home theater and living areas.NO ASSEMBLY REQUIRED: Simple unpacking for direct use, saving time and energy without complex installation work.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: 110 Inch 3-Seater Modular Sectional Boneless SofaMain Material: Premium Soft Velvet FabricFilling Material: 32D High Density Fast Rebound SpongeDesign Feature: Tufted Decoration, Ergonomic Bottom, Anti-Slip StructureApplicable Scene: Study Room, Home Theater, Living Room, ApartmentInstallation: No Assembly Required