Relief for Orthodontic Braces Pocket-Size Boxes of 6 Strips, offers protection from brackets and wires causing irritation;Medical grade silicone, unscented & unflavoured. Waterproof and transparent in colour;Resistant to hot liquid; stays on the bracket longer for greater patient relief;Important : The bracket and silicone must be dry for the product to work;ONE case supplied containing SIX strips ~ case colour choices availableOrthosil