Hot/Cold Gel Pack 
PVC Size:
10x10cm (80g), 14x14cm (140g),
27.5x13.5cm (300g), 27.5x13.5cm (400g)
28x18cm (500g), 24.5x17.5cm (600g)
34x34cm (1000g) etc
 Color: light blue, dark blue, green,
          yellow, pink etc