Thank you for viewing! Immediate purchase is welcome!! Reservations are also possible!! This product is currently very popular and trending: Back Stretcher Back Stretch Lumbar Spine Extender Device Acupressure 4-level height adjustment Color: Blue This is a new product! We are selling it cheaper than Amazon and Rakuten! Since this is the lowest price on Mercari, Please refrain from price negotiations. 【4-level height adjustment】 You can adjust the height to suit your body type and flexibility. It can be widely used, from beginners to those who want to incorporate it into their daily stretching routine. 【Improved Durability】 Reflecting customer feedback, the material has been strengthened compared to previous products. It is durable and can be used with peace of mind every day. You can stretch comfortably just by lying down for 5-10 minutes a day. 【Recommended by Experts】 The structure is recommended by a judo therapist, allowing you to deeply stretch your lower back and back without overdoing it. Beginners should start with the first level. 【Lightweight & Compact Design ・For a health gift for loved ones】 Lightweight design that can be easily used anywhere. Perfect for relaxing in the living room or office. As an item to support your daily health habits, it is also a great gift for family and friends.