OmieBottle is the must have accessory for OmieBox! Fits perfectly inside the re-designed OmieBox® Does not fit inside OmieBox® UP Made of 100% food grade silicone - BPA-free, Phthalate-free Flip & sip straw to help kids stay hydrated  Holds 8.7 oz  Product Specifications: Dimensions: 2.1 x 2.1 x 6.6 inches Weight: 0.27 lbs Material: 100% food grade silicone Use and Care Instructions: Dishwasher safe Do not microwave  Do not fill with carbonated beverages  Please Note: OmieBottle does not fit in the original model OmieBox If you're unsure which model you have, please turn your box over. On the back of the box, there is a square box with 8 alpha numeric characters. If the code has the letters SD, it's the original model. If the code has the letters CH, it's the new model. If you have any questions, please contact us at info@omielife.com.