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Mini Resistance Band is made of professional grade 100% natural latex (TPE free), is odor free, elastic, durable and will stay flat even after excessive use. No more issues like pinching your skin, snapping, or leaving marks on your clothes.,Get fit and sculpt a better body anywhere, without the need for expensive gym memberships, exercise equipment or even having to leave your home. The included carry bag makes it easy to take them with you wherever life takes you.