Beautiful quality lash extensions in 0.07 thickness for Russian Volume Application. They are easy to work with and make fans effortlessly.Mixed Length trays include 7-14mm lengths and come in C curl, CC curl and D curl.7mm x 1, 8mm x 2, 9mm x 2, 10mm x 3, 11mm x 3, 12mm x 3, 13mm x 1, 14mm x 1.