Lightweight, compact design, ideal for travel and home use. Keeps contents sterile for 24 hours if unopened. Uses no chemicals. Holds up to 6 x 260ml/9oz AVENT feeding bottles or 2 x Philips AVENT breast pumps and 2 AVENT bottles. 2 minute sterilising cycle (depends on wattage of microwave). 2 minute sterilising cycle in 1100 to 1850 W microwave. 4 minutes in 850 to 1000W microwave. 6 minutes in 500 to 800W microwave. Includes tongs. Dishwasher safe.