Sleazy Sleepwear Lycra Tail Bag . Don't let all the hard work you have done on your horse's tail go to waste. The lycra tail bag helps to protect it from dirt as well as smoothing the tail hairs. These tail bags are approximately 23" long and have four 10" long lycra ties at the top for easy tying or braiding into the horse's tail. *Remember: Never tie anything around the dock of a horse's tail.