These O-rings are made from high quality of food grade silicone ,working for QHC bowls.

Package includes :

1 X 10-PACK of 6.5mm*1.2mm                           

1 X 10-PACK of 7.0mm*1.2mm                           

1 X 10-PACK of 7.5mm*1.2mm

1 X 10-PACK of 9.5mm*1.2mm