Color Changing Cups see the before & after photos! Add ice cold drinks & watch the magic happen, they are fun & make a great gift! Color change effect is dependent on ambient temperature. For greatest effects rinse “cold” cups in warm water before use. Wash before first use. Hand wash only. No abrasive cleaners. Not microwave safe. Not dishwasher safe. Fun for any occasion -Kid’s Birthday party favors -Graduation party favors -Senior Night favors -Bachelor/Bachelorette parties -Gift Basket filler -Pool Parties -Family Vacations -Girls weekend & so much more, add them to your special event! Features - BPA & lead free - Stackable for easy storage - Reusable & durable - Fits most cup holders RANDOM SURPRISE CUP option will be any random cup, Shop will select any random color cup available-NO color request or preference will be accepted. Cup transition colors as followed; Cup #1 Lime Green to Green with Green Lid Cup #2 Pink to Violet Cup #3 Blue to Purple Cup #4 Green to Light Blue Cup #5 Purple to Dark Pink Cup #6 Pink - NO color Change PLEASE NOTE Item is not engraved or printed, all designs are made using high quality oracal 651 permanent vinyl. For longevity of design please do not soak, wash gently with soap & water, please do not peel design & avoid extreme heat. Not microwave or dishwasher safe. All sales are final, no exchanges or returns. Cuts & Create is NOT responsible for missing and/or stolen packages, please refer to USPS to file a claim. We provide tracking numbers on all orders, once we drop off packages with USPS we can not control time frame of delivery. Thank you! Personalized Color Changing 24Oz Cold Cups, Party Favors Summer Cups. Easter Gifts For Kids