Come and see our amazing products. Great with any workout. This resistance band set can be integrated seamlessly with every popular workout program including P90x, Insanity, Crossfit, Beach Body, Yoga, Pilates etc. As well as general exercise, stretching, strength training, power weight programs. Our 23.5"x1.96" heavy duty resistance loop bands are made of 100% natural latex and come in 5 varying resistance levels from X-Light (5-10LBS), Light (10-15LBS), Medium (15-25LBS), Heavy (25-30LBS) to X-Heavy (30-40LBS).The price includes shipping cost to ca. Qty over 10000pcs by ocean. 100% guarantee for the quality. The price includes shipping cost to ca. Qty over 10000pcs by ocean. 100% guarantee for the quality. Pls confirm with us about the packing info, stock color and exact production time before placing your order.