Lightweight, compact & convenient for travel, the thermabag/thermal tote from Philips Avent holds 2 Philips Avent feeding bottles, 2 Magic Cups or 4 VIA Cups. Its double insulation layer keeps milk cold or water hot for up to four hours. In a sleek and versatile design, it can be wiped clean with mild soapy water on a damp cloth. Clean the internal lining of any milk spills after each use. Please note: Avoid leaving in direct sunlight. In extreme temperatures, the performance of the thermabag/thermal tote may be affected. Keep out of reach of children. DO NOT soak in water.