Features: Safe-premium,made of premium-materials,good transparency and no impurities; has strong stain resistance and anti-yellowing, self-leveling and self-degassing properties can be cured more smoothly(a little odor before curing) Widely used,uv resin can be used for small items making,like jewelry,crafts decorations,casting and coating,etc.it also can be mixed with other materials to achieve variable color. Higher efficiency,simple operation, uv resin can be used directly without modulation;curing-time is very short, you will complete your handicrafts after irradiate under uv lamp for 2-4 minutes. Easy to store & use,comes with 1 bottles of solar cure resin(25g,50g,100g,120g,200g,250g optional), which is more conducive to your storage,ours is easier to squeeze and use the remaining resin at the bottom of the bottle than round bottles Kind Note-please keep it in dark place,and avoid heat. Specifications: Material:Resin Sapacity:25g,50g,100g,120g,200g,250g Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item. Package includes: 1 Bottle Hard Uv Resin Clear