Overview Reviews Product Description The CanDo Jelly Expander is great for upper body exercises. The gel-type stretch exerciser is available in 3 configurations with 3 color-coded resistances for each configuration. Product Videos Custom Field Product Reviews Write a Review Write a Review × CanDo CanDo Jelly Expander Double Exerciser - blue - heavy Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *