Thank you for visiting our shop! (*^^*) This is a set of 5 training tubes. It's a set of pink-toned colors. You can casually train at home, on the go, or at work. The resistance increases as the color gets darker. Please refer to the third image. ■Size■ 300×50×0.4mm 300×50×0.5mm 300×50×0.7mm 300×50×1.0mm 300×50×1.2mm Because they are tube-type, they can be easily folded and fit in your pocket! Use them to relieve lack of exercise or as a companion for your muscle training (*^^*) These are imported items. We have taken them out of the bag and checked their condition when listing them. The photos are of the actual product, but the colors may differ slightly from the photos depending on the lighting. Please refrain from purchasing if you are concerned about this. If you have any problems with the product upon arrival, please contact us before leaving a review (*^^*) We are also selling on other sites, so we may delete the listing without notice.