1、Made of the highest grade sponge composite cloth + aluminum alloy, it fits the skin and brings the best comfort. 2、Helped alleviating the locking, popping, bending, swelling, soreness and stiffness. 3、Fit for finger length above 3.35 inch(approximately 8.5 cm) & finger circumference up to 4.72 inch (approximately 12 cm), recommend to be used on fingers like: index, middle, ring. 4、Built-in aluminum bar finger splint, provide great and firm support to your finger. 5、What You Get-- 1 pcs of Finger Splint. Color: blue Weight: about 9g Material: sponge composite cloth + aluminum alloy (steel plate) Length: about 12cm Thickness: about 0.3cm Width: about 8.5cm Support bar thickness: about 0.6cm 1 * Finger splint