PAIN STRESS RELIEF & POSTURE IMPROVEMENTThe back stretcher provides physical stretching, acupuncture massage, and back support for your back, relieving pain in the lumbar, back, and sciatic nerve. With a flexible and soft rubber mat in the middle of the backboard to help cushion impact force, give your waist better protection. using this back posture corrector daily restores the natural spinal curvature and improves your body posture. HIGH-QUALITY ADJUSTABLE DESIGNThe back spine stretcher is made of ABS plastic for durability and can withstand up to 350 pounds. There are 3 adjustable setting levels and 88 acupuncture points. You can choose the most suitable and comfortable height to stretch your back and relieve stress. soft foam padding makes you feel more comfortable. The back cracking device helps relax the back, relieve muscle soreness, improve sleep quality and increase flexibility. MULTI-FUNCTION BACK CRACKER BOARDAfter a long day at the office, you can stretch back cracker by placing the spinal deck back stretcher on a yoga mat on the floor, to improve your lower back pain relief. It's convenient and can be used at home, in the car, in the gym, on a yoga mat, or in an office chair. CONVENIENCE BACK STRETCHEROur spine board can be freely assembled and disassembled to be stored away at any time, which is very convenient. Beginners or those who have sore lumbar spine can add a soft cloth pad or towel when they first start using it to avoid direct contact with the hard waist plate, causing hurt. WARM GIFT FOR YOURSELF AND YOUR LOVED ONESTreat yourself to rejuvenate tired and tense muscles, properly relax, spine decompression, or lower back pain relief. Spine aligner thoughtful gift for family, friends, loved ones, colleagues, and teachers on all holidays and anniversaries.