Thank you for viewing! *We strive for prompt and courteous service, and careful packaging.* *We may be slow to respond to inquiries.* Instant purchase OK Free shipping. *M size* ✅ Provides firm support for the lower back in daily life, all sports, office work for those who sit for long hours, carrying work, long-distance driving, etc. ✅ The belt is lightweight and uses breathable mesh material, making it less likely to get stuffy even when worn for long periods. It's also discreet under thin clothing, making it suitable for everyday use! ✅ Securely fixed with a pulley roll and two wires, and easily adjustable, so you can adjust it to your preferred strength. *Due to being made overseas, there may be some stains or fraying.* *Simple packaging will be used. Thank you for your understanding.* Thank you. 86