Material: Exterior: Aramid fiber, silicone; Interior: Cotton; Size: Free-size; Approx. 13.4 x 7.1 inches (34 x 18 cm); Weight: Approx. 4.2 oz (125 g) (one hand); Caution: This product is not heat-insulated.If you feel hot, please stop using it immediately. Do not hold charcoal, etc., directly on fire. Not waterproof.Do not put your hands in boiling water or oil even when wearing this product. Do not use gloves in wet conditions.