Insulated Drink Bottle Replacement Straw Top - 2 Pack 0 Reviews Write a review Add to wishlist Add To Cart $12.95 shop info features add to cart or 4 payments of $3.24 with Info summary Two replacement straw tops - especially for the b.box insulated drink bottle. Dishwasher safe. BPA, Phthalates and PVC freeNote: This straw top will only fit b.box insulated drink bottle both 350ml and 500ml. details 2 replacement straw tops for the insulated drink bottleDishwasher and steriliser safeBPA, Phthalates and PVC freeStraw top made from silicone.