Feature: 1. Reduces Swelling: Compression arm sleeve reduces swelling by contracting arm muscles and compressing blood vessels to prevent backflow of blood. 2. High Elasticity: Post mastectomy compression arm sleeve adopts soft material and unique technology of seamless weaving, which makes it highly elastic and comfortable to use. 3. Ergonomic Design: Post mastectomy sleeve has designed medical grade anti puffy elastic sleeves according to the shape of the upper limbs of the human body, which is practical. 4. Shoulder Strap Design: The post mastectomy compression arm sleeve has a shoulder strap that holds it in place while wearing it and doesn't easily slip off. 5. Applicable People: Arm compression sleeve is suitable for upper limb lymphedema, breast cancer surgery, arm swelling, etc. Specification: Item Type: Post Mastectomy Compression Arm Sleeve Material: Spandex Product Size: Thickest Arm Position:Approx. 34.5-41.5cm / 13.6-16.3in Elbow Joint:Approx. 27-32cm / 10.6-12.6in Wrist:Approx. 20.5-22cm / 8.1-8.7in Applicable People:For Upper Limb Lymphedema, Breast Cancer Surgery, Arm Swelling, Etc.. Package List: 1 x Post Mastectomy Compression Arm Sleeve