Quiet Acoustic Soundproof Steel Frame Phone Booth for Office Indoor Recording Studio for Home Outdoor Use Big Size Apartments. High Soundproofing: Achieves RW60db noise reduction for quiet environments. Durable Steel Frame: Constructed with eco-friendly steel frame and glass panels. Customizable Size: Accepts custom sizes to meet exact requirements. Versatile Application: Suitable for offices, homes, hotels, and apartments. Modern Design: Features contemporary style with LED lighting and ventilation. Free Design Service: Provided by in-house design department before production. 1-2 Year Warranty: Covers damage fittings with free replacement during warranty. Fast Delivery: Samples in 7 days, bulk orders in 15-30 days.