| 摘要 |
A baby's bottle liner (10) made from high density polyethylene of a thickness of from 9 to 40 microns and stretched in the widthwise direction, by an amount of from 1:5 to 1:9. Such a liner (10) has been fount to be strong and flexible enough to resist bursting and in addition its contents can be heated in a microwave oven. |
