Wash bandanas separately by hand or in washing machine on a cold, delicate cycle with your favorite detergent (no bleach). Line dry. After bandana is dried, iron like normal. Bandanas are pre-rinsed and machine washed before selling.
When wearing bandanas in the water, there is potential for new bandanas to transfer dye to fur. Before using in water for an extended period of time bandanas may need to be washed prior to use.
Resin tags can be rinsed in water, or in soap. Left to dry or dry by hand. Do not leave in direct sunlight or in extreme conditions over a long period of time. Monitor dogs while wearing tags, do not let them chew on the tag.