A classic ruby rhinestone look which gives every gorgeous element of a ruby red gemstoneWhat are Kiki London Crystals?Kiki London Crystals are our top quality, carefully designed rhinestones, made to ensure long-lasting and easy application with ultimate sparkle.  Our coloured crystals are made with solid glass colour, which ensures colour and shine is infused to showcase long-lasting sparkle overtime.  Application is made easy with (hot fix) flat back design and recommended use with Kiki London Dotting/Gem Tool and Rubber Top Coat.What's included?Each Crystal Pack includes, 6 different sizes of the same colour crystals. Kiki London Crystal SizesSS3: 1.2 - 1.4mmSS4: 1.5 - 1.6mmSS5: 1.7 - 1.8mmSS6: 1.9 - 2.0mmSS8: 2.3 - 2.5mmSS10: 2.7 - 2.8mm Recommended Instructions:Apply Base Coat, Colour Coats and any Nail Art as desiredApply a layer of Kiki London Rubber Top Coat and position the Kiki London Crystal using the Dotting/Gem ToolOnce positioned cure for 30-60 secs in LED lamp (or 1-2 min in UV lamp)[Additional Step] Apply Kiki London Rubber Top Coat around the crystal using a detail brush to seal for longer lasting results. (Do Not apply Kiki London Rubber Top Coat over the crystals as this will make them lose their shine.) Cure for 30-60 secs in LED lamp (1-2mins UV Lamp).