SPRI ORIGINAL XERTUBE - Blue - Heavy

SPRI ORIGINAL XERTUBE - Blue - Heavy

BLUE XERTUBE - Heavy Resistance. Blue Xertube is for very fit women or fit men. At 1-1/2 times its length, the weight equivalence of this tube is approximately 15 pounds. One Free 8.5 x 11 Instruction Sheet Per Order. For carpeted or rough surfaces, we recommend the original Step Tube with the protective rubber sleeve. Aditional Instruction Sheet can be found under "Education".