BD Emerald 2ML Syring With 23G Needle Salient features of BD Emerald 2ML Syring With 23G Needle: Green Rubber. Bold Scale markings to accurate dose. Clear Barrel for visualization of fluid. Textured Thumb Press to reduce slippage during administration. Available in size of 22/23/24 gauge & in the length of 1 inch. Safety information: Before use, check the integrity of tamper-evident, heat-stacked sealing of end-caps with barrel. Before change of Brand/Needle size consult your doctor on usage. Do not share syringes to avoid cross contamination. Do no attempt to re-sterilise or reuse. use under medical supervision.