VPS Vinyl Polysiloxane Impression Material 2/Pk Medium Body Fast Set by House Brand SKU 921-1321AA 123 $25.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart VPS Impression Material, Medium Body Fast Set (Purple) HP Cartridges, Unflavored, Excellent tear strength and dimensionally stable, Work Time 1 min, Set time 1 min, Box of 4 - 50 ml cartridges.