Civco, Non-Latex, Sterile Probe Covers. This Civ-Flex™ latex free general purpose, cover is a flat-folded all purpose cover, size 14 x 61 cm (5.5" x 24") composed of a soft, pliable material comfortable for patients and especially popular with OB and sterile scanning procedures. Sterile general purpose procedure kits include transducer cover, gel packet and colored elastic bands. Select covers offer a three-dimensional "box end" and are packaged 24 per box.