Interlocked vial with fused glass insert, Snap Seal™ design. Interlocked vial with fused glass insert, Snap Seal ™ design. Product Number. Product Description. SDS. 29147-U. volume 0.3 mL (300 μL), clear glass vial, interlocked vial (with fused-in insert), Snap Seal, 11 mm, pkg of 100 ea.