[. . . ] Register your product and get support at EN Introduction The Philips AVENT Glass bottle sleeve is designed to specifically fit the Philips AVENT Natural Glass feeding bottle. [. . . ] Preparing for use -- Assemble the sleeve when the bottle is filled and completely assembled. Make sure the top of the sleeve is in the gap between the bottle and the ring, and the Velcro fastener is properly closed. Using the appliance -- Before each use, inspect bottles for sharp edges or glass fragments on the inside. Do not use the bottles if there are any cracks on or glass fragments inside. If in doubt, carefully remove the sleeve to check if the bottle is intact. €¯ -- Always check the food temperature before you feed your child. €¯ -- Do not let babies drink unsupervised from this bottle. Cleaning -- For hygiene reasons, we advise you to clean the sleeve regularly. [. . . ] Guarantee and support If you need information or support, please visit www. [. . . ]