This Arm Trimmer Neck Protector is made of high-quality SBR material with exquisite stitching. It effectively relieves neck pressure and fatigue with its ergonomic design. The self-heating tomaline stone and magnet provide double care for your neck, while the adjustable strap ensures a perfect fit. This brace is soft, breathable, and suitable for various activities. It is a must-have for those seeking soothing, stress-reducing, and warm neck support. Features 1. High quality material: Neck trimmer is made of SBR material refined, sturdy and wear-resistant, can be used for a long time, saving costs. Exquisite stitching, wraparound stitching is durable, beautiful and fashionable. 2. Soothing and stress-reducing: This product is ergonomically designed to perfectly support the neck, comfortable fit, and effectively relieve neck pressure. 3. Double care: This neck brace uses a tomaline stone and magnet, self-heating, no need to add electricity, double care, effective relief of neck fatigue, neck cold and cervical discomfort. 4. Wearing comfort: Skin-friendly fabric is soft and breathable, so you can wear it more comfortable. 5. Perfect fit: Adjustable strap, easy to tighten or relax, perfect fit for your neck, whether running, cycling, dancing, weight training, fitness, rope fighting, gym, yoga or walking, you can always wear. Specification Material: SBR Color: Black Size: 47.5 x 9.5 cm Weight: 40 g Package Include: 1x Neck Brace