Surgical guides: High accuracy-Very high heat resistance during autoclaving, meaning little to no distortion. Safe and convenient-Transparent guides enable visual control of surgical field. Verified-color change after autoclaving Efficient and economical-30 minutes for printing surgical drilling guides at 100 μm Individual impression trays: High precision-The transparent orange color allows for visual control during tray fitting and impression taking. Expert for impression-Kulzer has confirmed its compatibility with impression materials and tray adhesives. Efficient and economical-15 minutes for printing trays at 150 μm Non-Latex Shelf Life: 26 months Country of Origin: Germany