MARK3 VPS Impression Material - Heavy Body - Fast Set, 4 x 50 ml Cartridges. Pleasant mint flavor - no odor or irritation. Super hydrophilic, high tear strength formula exceeds ISO 4380 standards. Outstanding dimensional stability for distortion free impressions. Working time: 1 min, Set time: 1 min. **Made in USA. Compare to Genie, Flexitime & Express 4 - 50 ml cartridges