Wide Opening Snap It™ Vials x mm Reference Product Description Pk CC-C4011-5 Vial Snap-It™ Vial 2 ml lear, Wide Opening 100 CC-C4011-6 Vial Snap-It™ Vial 2 ml Amber, Wide Opening 100 CC-C4011-5W Vial Snap-It™ Vial 2 ml lear, Wide Opening. Write-on patch with graduations 0.5, 1.0 and 1.5 ml. 100