Features Made of polystyrene (PS basins have transparent walls to permit easy viewing of contents Polypropylene basins are chemically resistant to alcohols and mild organic solvents PS one-channel basins are available in three sizes: 25ml, 55ml, and 100ml; 25ml and 55ml basins have a V-shaped bottom design PVC one-channel basins have a capacity of 55ml and a V-shaped bottom design PP 12-channel basins are double sided: the 12-channel side has a capacity of 5ml per channel; the other side (single-channel) has a capacity of 50ml PP 12-channel basins are available in assorted colors: clear, blue, green, Pink, and yellow PS basins are individually packaged (sterile); PVC and PP basins are bulk packaged (non-sterile) Specifications SKU Volume Material Color Sterile Package Unit 25-1202 50ml PP Assorted Colors N Bulk 25 /Bag, 4 Bags/Case 25-0052 55ml PVC Clear N Bulk 100 /Bag, 8 Bags/Case 25-0051 55ml PS White Y Individually Wrapped 1 /Bag, 100 Bags/Case 25-1100 100ml PS White Y Individually Wrapped 1 /Bag, 50 Bags/Case reservoirs