These Pura silicone sleeves, in addition to adding a little color to your bottles or baby bottles, further insulate cold and hot liquids, making them more manageable for your children's little hands: in fact, they improve the grip being "non-slip" and , this model in particular, being in relief, is pleasant to the touch. Thanks to the sleeves, the temperature of the bottle remains ambient, isolating the temperature of the liquids contained inside, so it will be easier for your children to hold them in their hands. It does not allow condensation to form outside the bottles and, in the event of a fall, prevents scratches and dents. Like all the products in the Pura line, these sleeves are also 100% silicone, therefore they do not contain plastic or BPA: they do not release toxins even over long use. In addition, their design is designed to adapt perfectly to the bottle, and does not lose its shape even after several washes. It can be easily removed for cleaning operations.