Feature:1. Steel construction with reinforced nylon shoulder straps, maximize your bicep and triceps workouts2. Adjustable nylon shoulder straps, custom for your body3. Unique shape design, target at training your arm, pecs and shoulder muscle groups4. Perfect supports your elbows, enables to keep the correct posture during curls5. High density sponge pads on both sides of the training board, protecting the elbow and relieve the pressure of the armSpecification:Features:Steel construction with reinforced nylon shoulder straps, maximize your bicep and triceps workoutsAdjustable nylon shoulder straps, custom for your bodyUnique shape design, target at training your arm, pecs and shoulder muscle groupsPerfect supports your elbows, enables to keep the correct posture during curlsHigh density sponge pads on both sides of the training board, protecting the elbow and relieve the pressure of the armSpecifications:Item type: biceps training boardMaterial: aluminumThickness: 0.3cmColor: black, pink, blue, red, yellow (optional)Package size: 580 * 130 * 105mm / 22.8 * 5.1 * 4.1inPackage weight: 1050g / 2.3ouncePacking List:1 * Training BoardPackage List:1 * Training Board