68 Cal. D-type blue fluorescence

Rubber Silicon. Please read the instructions below ''HOW DO THEY GLOW'' before using them! Premium Quality Blue Fluorescent Rubber Shells mixed with Silicon in 68 caliber (each single ball weighs 2,9 gr.) Amazing Visual Experience in the Dark: The balls glow in the dark thanks to their blue fluorescence. Please keep the balls first for a short time under the light (e.g. under flash light from the smartphone). Then bring them into the dark, so their unique blue florescent color will start to shine. Suitable for Training, Shooting, Home Defense and Paintball Guns in 68 caliber Made in EU Standards - high quality product Soft Rubber Shells with Strong Effects: These shells are also very good for home and self defense