Come and Check Our Branding Solutions.resistance bands are made of TPE, skin friendly, non-toxic and latex free, people with latex allergies can use it safely. You can wrap them around your hand a few times for more tension and a secure grip, or tie a knot and use them as loops, you can also double them up for more resistance. The price includes shipping cost to ca. Qty for 10k and over by sea. Pls check inventory and detailed info before placing your orders.