High quality and practical design - Thickened aluminum foil layer provides a durable outer barrier - Scratch-resistant, puncture-resistant, tear-resistant - Flame-retardant, waterproof and moisture-proof - Closed-cell foam structure made from high-density rubber-plastic-cotton - Non-absorbent, strong load-bearing capacity, high toughness, and good resistance to deformation All-season performance - Universally suitable for all seasons - Helps reduce heat loss in winter and can raise indoor temperature by up to 15 degrees Celsius - In summer, can lower indoor temperature by up to 25 degrees Celsius - Keeps rooms warm in winter and cool in summer Sound insulation and acoustic performance - 3D stereo damping with a closed-cell double-layer composite structure - Excellent sound insulation and absorption - Strong shock damping and acoustic smoothing for walls, doors, and ceilings - Ideal for band rooms and recording studios Easy installation - Bottom side features strong adhesive for tool-free application by peeling and sticking - Insulation pad can be cut to the required size to fit different spaces and needs Use scenarios - Home theater or living room: improve acoustics and maintain comfortable temperatures year-round - Music studio or band practice space: enhanced sound isolation and room acoustics - Apartment or multi-room living spaces: reduce noise transmission while stabilizing indoor temperature