Size:A7,A5. A7: 21.6 x 16 x 0.6cm / 8.5 x 6.3 x 0.2in. 1 x A7 cover mold. A5: 13.4 x 9.8 x 0.6cm / 5.3 x 3.9 x 0.2in. 1 x A5 cover mold. Pour the epoxy into mold. Mix the epoxy to suitable ratio. Hit epoxy by boiled water, but can't touch the water.