Product name:Resistance Band Product size about: Blue: 30*5*0.05cm/11.81*1.96*0.019in(15lb) Yellow: 30*5*0.07cm/11.81*1.96*0.027in(20lb) Red: 30*5*0.09cm/11.81*1.96*0.035in(25lb) Black: 30*5*0.11cm/11.81*1.96*0.043in(30lb) Product color: As shown in the figure Product material: rubber product features: 1. Double the workout: With the yoga elastic band and latex resistance circle, you can double your workout routine and get double the results. 2. Versatile training: Whether you're looking to build strength, tone muscles or improve your flexibility, the yoga elastic band and resistance circle are perfect for all types of training. 3. Perfect for squats and glutes: The circular shape of the resistance circle is perfect for targeting glutes and the yoga elastic band is great for squats, making these workout tools ideal for lower body training. 4. Lightweight and portable: Take your workout anywhere with these lightweight and easy to transport yoga elastic band and resistance circle. 5. Durable and long-lasting: Made of high-quality materials, the yoga elastic band and resistance circle are durable and long-lasting, ensuring you get the most out of your workout routine. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Resistance Band