This is a 6-pack of spare butterflies for the cat toy Flutter Bug from the company All for Paws (AFP item 3203). The delivery takes place as shown in the picture including the wire and the green holder for insertion into the device.
There are the butterflies in the color dark blue (see picture) and yellow (not shown). The packaging always contains 3 dark blue and 3 yellow butterflies.
Please note that it is only the replacement butterfly and not the complete cat toy, this you may have to order separately.