leikefitness Ab Exercise Chair Core Strengthening Lightweight Foldable Sport Abdominal Exerciser Strength Training Inversion EquipmentAbdominal workout chair for focusing ab workout on stomach muscles. Advanced design combines inversion therapy with core strengthening to leverage proven techniques for back relief. Lightweight, easy storage and easy to move and foldable for easy closet storage or under a bed. Breathable premium mesh seat material,give you max comzy when do exercise. Stable & Safe,perfect for all ages and rated for up to 250 lbs. 4 adjustable length,fit different