READY, SWEAT, GO! with the Arm Sauna Bands! 【 READY, SWEAT, GO! 】 Increase heat and sweating with thermal compression to the bicep area during exercise Arm Trimmers. 【 Increase sweat & Lose weight 】 Arm trimmers can help warm your arms during cardio and strength training, to increase your body's natural rate, burn your , promote perspiration and circulation, allowing you to shed excess water weight and promote healthy, safe, and effective natural weight loss. 【 Quality material & Easy to use 】 High-quality compression fabric with high permeability, and made of latex-neoprene has superior heat insulation performance so that you wear comfortable. They're easy to wear, simply stretch them around your arm and thigh area and secure the straps, and you're set. The trimmers' grid inner will not only prevent moisture sweat but also reduces sliding during workouts. 【 High-quality exercise 】 Applicable occasions for Bodybuilding, Weightlifting, Strength training, Mountaineering, Basketball, Tennis, Golf, Wait, and more. Make your muscles of arm more efficient during exercise. 【 Makes your arms sweat 】 The sport upper arm compression sleeve helps heat up the so that you can lose weight at a great speed.And weight reduction training armbands all keep the sweat inside and dry on the outside. 【 Size 】 Medium (Length:15.7inch Width: 5.5inch) size is recommended for arms up to 13". X-Large:(Length: 19.6inch Width: 5.7inch) size is recommended for arms up to 17". All sizes are fully adjustable for the perfect fit, suitable for both men and .