33cm yoga wheel back flexibility

{"cid":"91196485","title":"Fitness Yoga Roller Wheel , Cork Yoga Wheel TPE Yoga Circles Gym Workout Back Training Tool","imgUrl":"https:\/\/img.chinax.com\/nimg\/83\/e7\/25aa1d5d40363331ffbe6c4017a8-200x200-1.jpg","attrs":{"Name":"Yoga Cork Wheel","Color":"bright black, wood pattern\uff0cwood color, pink","Pattern":"Mandala Flower","Weight":"about 1500g","Material":"PU + rubber + PE","usage 2":"Open shoulder"}}

{"cid":"91225771","title":"21.5-inch Portable Smart Display on Wheels, Battery Powered Standby Screen for Fitness, Yoga and Live Streaming","imgUrl":"https:\/\/img.chinax.com\/nimg\/5e\/ef\/4f7b57824176cc2e4c6e1e0c0a02-200x200-1.jpg","attrs":{"Price":"$288 \/ piece","Brand Name":"MJK","Model Number":"MJK-215L","Minimum Order Quantity":"1 piece","Content Management System":"Built-In CMS","Control Method":"USB, Wifi, Bluetooth","resolution":"3840X2160, 1920X1080","warranty":"1 Year","Storage":"64 GB","application":"Indoor","Operating Temperature":"0\u00b0C-50\u00b0C","Touch type":"10-Point Capacitive Touch","Screen Type":"Capacitive, Infrared","Remote Device Management":"Cloud-Based RDM Platform","Place of Origin":"Guangdong, China","Display Coating":"AG (Anti-Glare)","specification":"Digital Poster","Usage environment":"Indoor","use":"Airport, Retail Store, Restaurant & Hotel Supplies, Self-Service Business","brightness":"350cd, 450 cd","Mounting type":"Floor-Standing","ip rating":"IP44","installation type":"floor standing","supplier type":"OEM, ODM","Display Function":"Animation, Graphics, Text","Operation System":"Android, Windows, Linux","RAM":"4 GB","CPU":"MTK8786","Material":"Aluminum alloy","aspect ratio":"16:9","color":"black&white"}}