Dr. Maxam Posture Supporter, Size L I bought this a while ago and wore it several times. It was a bit too strong for me, so I bought a different one. Hopefully, someone else can use this. The inside is a sponge type, not mesh. It has been used to some extent, so please purchase it with the understanding that it is a used item. Immediate purchase: OK Packaging: OPP bag (waterproof) Shipping method: Yu-Yu Mercari Bin (anonymous shipping) Shipping: Yu-Packet Post (envelope or plastic bag) Shipping location: Post office mailbox * Will be folded to fit the post office mailbox size for packaging. Dr. Maxam Posture supporter supervised by a judo therapist Posture belt Kyphosis belt Rounded shoulders Kyphosis correction belt Posture correction Posture correction supporter