ideal for rehabilitation and strength training Resistance ring is very durable Can be stretched up to 3 times its length Easy to carry and can be used anywhere Made of 100% natural latex material Has good resilience and strong output resistance Flowing sand is wrapped in a soft neoprene Four resistance rings of different strength, light 10lb, medium 20lb, heavy 30lb, and overweight 40lb Four resistance snares are fitted with a drawstring storage bag Compact and light
