All-Purpose Exercise Bands are extremely strong and durable and come in six resistances. They are made of two heavy-duty 4 foot bands that connect to a 10" nylon loop.
Additional Information:
Resistance Chart

All-Purpose Exercise Bands are extremely strong and durable and come in six resistances. They are made of two heavy-duty 4 foot bands that connect to a 10" nylon loop.
Additional Information:
Resistance Chart