Serial Number: 1	Serial Number: 2
Serial Number: 3	Serial Number: 4

Price is the price of one pair
Material: high-end plastic material
size:
The 3rd ingot: length 14.5cm， height 7.5cm， weight 64g，
The 4th ingot: length 11.5cm， height 6cm， weight 41g，
5 ingot: length 9.5cm， height 5cm， weight 21g，
The 6th ingot: length 5.5cm， height 3cm， weight 5.6g，
The 3rd ingot: length 14.5cm， height 7.5cm， weight 64g，
The 4th ingot: length 11.5cm， height 6cm， weight 41g，
5 ingot: length 9.5cm， height 5cm， weight 21g，
The 6th ingot: length 5.5cm， height 3cm， weight 5.6g，