The 3 Pack 7 Level Resistance Tube Kit by Series 8 Fitness is a versatile fitness equipment set designed for full-body workouts. The tubes come in a variety of resistance levels, suitable for both core and upper and lower body exercises. Made of foam material with multicolor handles, these resistance tubes are perfect for home use or outdoor training sessions. The kit includes three tubes with varying resistance levels, ensuring a challenging and effective fitness routine for users of all fitness levels.