Upgraded Dual Control 9 Heating Vest Constant Temperature Intelligent Electric Heating Vest Please check the Size Chart before order. Product information 1Waterproof, reflective night , warm, breathable, wear-resistant, ultra-light, acid-proof. 2. Heated body and blood circulation: It warms the human body, consumes excess heat, increases blood oxygen and fluidity. 3. Restoration of vitality: it provides a deeper adjustment of physiological functions in order to avoid sub-health and restore vitality. 4. relief of pain: it can improve the microcirculation of the body, dredge and activate the meridians, local pain and inflammation. 5.Women's menstrual must dysmenorrhea, let you have slow energy in those days, give your girlfriend the best gift. Season:Winter Material: Polyester Collar: Stand Sleeve: Vest Style: Fashion Pattern: Solid Decoration: Zipper Occasion: Casual Fashion design shows your nice taste. Suitable for casual wear. Sweet and beautiful. Washing precautions: normal hand wash, machine wash, when the line is closed, the lock is good.Drying in use. Charging precautions: 5V non-inductive voltage (use your charging treasure to charge better heat effect), no electromagnetic radiation, energy saving and environmental protection,Connect the charging treasure, press and hold the for 3 seconds to charge and heat. What you get:1PC Heating Vest Size Bust Length Shoulder M 106cm 65cm 40.3cm L 110cm 67cm 41.5cm XL 114cm 69cm 42.7cm XXL 118cm 71cm 43.9cm XXXL 122cm 73cm 45.1cm XXXXL 126cm 75cm 46.3cm XXXXXL 130cm 77cm 47.5cm Label: Yes Material: Polyester Material: polyester Label: Yes Washing care: Hand or machine wash maximum temperature 30, line dry,iron at low temperature