in any suitable order by way of example only the user may fill the bag 10 with water prior to inserting the garment 12 the instructions may also include the additional step of releasing the pre treatment cleanser 16 which may occur before or after the garment 12 has been inserted and before or after the bag 10 has been filled with water thereby contact of the garment 12 with other garments is prevented which may avoid transfer of the stain and exposure of skin to the stain 14 and the water in addition this embodiment may minimize contact with the pre treatment cleanser 16 or avoid such contact completely advantageously in the illustrated embodiment the bag 10 further includes a thermochromatic label 24 depicted as having three temperature indicators too cold 26 correct 28 and too hot 30 the temperature indicators 26 28 30 may be configured to respond to a particular temperature range corresponding to the optimum temperature for the pre treatment cleanser 16 of course the thermochromatic label 24 may include any suitable number of temperature indicators the thermochromatic label 24 may be configured to respond to the temperature of the water in the bag 10 in this version the bag 10 further includes a completion indicator 32 configured to respond to the presence of the pre treatment cleanser 16 to indicate when sufficient exposure time has elapsed for effective stain removal the completion indicator 32 may be a material that is dissolved at a rate comparable to stain material this approach may compensate for differences in water quality such as mineral content in the water i e hardness or softness of the water and temperature that.