Now In Glow! The Silicone RO Tool Caddy is the ultimate hobbyist organizer for your pens, screwdriver, tweezers, rulers & more. The Silicon RO Tool Caddy was designed by A beloved family member. She wanted something that was robust and still classy to hold all her often used items on her desk. She made her original RO Tool Caddy out of wood but we made these out of out of Heat Resistant Silicone Rubber. This looks great on your desk by itself or paired with one of our silicone trays or mats. Properties: Non-Magnetic, Anti-static, Flame/Heat Resistant, Solvent Resistant. Super stable, slip resistant base Weight : 8.5 Ounces Dimensions : 3.8" wide x 2.7" tall x 2.7" depth