Reliable, ergonomic design with anti-slip technology for stable lumbar support during use. Advanced massage technology utilizing compound waveform to effectively reduce lumbar soreness and muscle stiffness. Crafted from high-quality, wear- materials ensuring durability and shape retention over time. Versatile use in studio or home settings, aiding in post-workout recovery and rehabilitation routines. Ideal gift for individuals who sit for long periods, perfect for birthdays, holidays, and special occasions. This back stretcher is designed to provide effective lumbar support while ensuring comfort and stability. Its advanced massage technology mimics professional techniques to alleviate soreness and stiffness, making it an excellent choice for recovery after workouts or long hours of sitting. The construction guarantees long-lasting use, making it a practical addition to any home or studio. Color: As Shown Material: Silicone Package Contents: 1*Back Stretcher Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.