1. You can place the decals on everywhere made of glass materials such as windows, doors and so on to make your place a rainbow room. 2. These decals actually do not have any color but some rainbow can be seen after capture the sun rays and turn them into bright rainbows throughout the room. 3. These cling stickers can be adhered by electrostatic interaction with a few spray of water on glass materials such as glass doors, patio doors, sliding glass doors, windows and so on. 4. These stickers can not only do no harm for your doors or windows but can be removed easily for no adhesives or glues used. 5.Ideal for women/girls/teens/friends/family members of birthday gifts, wedding gifts, Christmas gifts, Thanksgiving gifts, Valentine's Day, Mother's Day gifts and any surprised day gifts. 1. You can place the decals on everywhere made of glass materials such as windows, doors and so on to make your place a rainbow room. 2. These decals actually do not have any color but some rainbow can be seen after capture the sun rays and turn them into bright rainbows throughout the room. 3. These cling stickers can be adhered by electrostatic interaction with a few spray of water on glass materials such as glass doors, patio doors, sliding glass doors, windows and so on. 4. These stickers can not only do no harm for your doors or windows but can be removed easily for no adhesives or glues used. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.