Stainless Steel Tumbler Includes: reusable straws  Non-slip rubber bottom slider lid Glow In The Dark Tumblers are white in light and either glow a light blue or a light green color (depending on what color you choose). They need to be activated by placing in direct light for 2-4 minutes. The longer it is left in the light, the longer and stronger it will glow. The light will not glow through darkness.  Handmade items may have tiny imperfections. I take pride in my work ethic and only ship quality products🌻🌻 This is made with sublimation ink embedded on surface of tumbler. Ink will not peel off. (Not vinyl) Not dishwasher safe Not microwave safe Do not drop Handle with care 🌻 This item is a Custom item take up to 2 weeks for full completion of product