SharpStar In-Room Sharps Containers with Counter Balanced Lids will safely store needles and syringes until time of disposal. The SharpStar containers automatic shuts down when full to prevent overfilling and decreases the chances of accidental needle sticks. The containers are made of heavy-duty plastic that is resistant to needle sticks. Disposing of needles and other materials immediately after use reduces the risk of contamination and infection. The SharpStar containers are available in 2 sizes: 5 Qt. & 12 Qt.