**Features** 。 L40 xW10 cm 。 Made of premium TPR - antibacterial, toxin-free and eco-friendly. 。 Excellent resilience, not easily deformed and durable; SGS Certificated being extended 4 times length for at least 10,000 cycles. 。 3 increasing levels of resistance – Soft, Medium, Hard. 。 Comfortable with easy to grasp handles. 。 A great tool for building and maintaining muscular strength. You can use our expander for Seated Cable Rows, Chest Expansions, etc. 。 Portable & great for travel. You can apply this expander into your schedule of training anytime and anywhere. **Materials** TPR (Thermoplastic Rubber) **Care** 。 Some little of oil may come out after some time, it is normal situation. Wash it with hand soap and gently wipe with a dry cloth. 。 Take off rings and any other accessories during use to avoid breaking the product. 。 Store away from heat, humidity and sunlight. 。 Keep away from fire and sharp things. 。 Make sure that there is no defect in the product that may cause injury before each use.