Cotton Polyester Fabric and Elastic Natural Latex design --- About our fabric hip bands: Made of first class cotton fabric and natural latex mixture, environmentally friendly, breathable and soft to your skinExtra thick ingredients, non -slip, non -rolling, exercise, more than 10,000 durability test to ensure that the quality of hip bands is 100 %3 different resistance levels --- These hip bands of 3 colors are designed with 3 different resistance levels: blue-open (18 ~ 32lbs), pink-middle (30 ~ 50lbs), purple (45 ~ 70lbs)It is suitable for any fitness level, so you can easily adapt your training depending on your strength, ability and comfort, whether ly starts, advanced users, athletes or the likeDo not worry about the problem of 'nest/slip' - non -slip and rollingUnlike latex/rubber resistance tapes, these wide exercise bands are planted with high quality cotton polyester stretch fabric and environmentally friendly, skin -friendly, durable, robust and non -slipLight and portable - this hip resistance bands are light and save space so that you can easily put them in your suitcase or backpackSince it comes with a portable maintenance bag, it is very suitable to move it anywhereLeg and hip exercises, stretching, yoga and so onYou can do an efficient training with these booty tapes wherever you go by doing itSuitable for various exercises - ideal resistance bands to help P90x, crossfit, yoga, Insanity, Pilates and hot yoga exercisesOmer?l resistance bands will help you get your perfect body and legs fasterEasy to use and see the result with only 10-25 minutes of training per dayAfter thousands of tests, we designed the most suitable width size for each band as 13 inches.