Features: 1) Ground edges 71012) Unground edges 71023) Single concave, ground edges 71034) Double concave, ground edges 71045) Frosted one end on one side, ground edges 71056) Frosted one end on one side, unground edges 7105-17) Frosted both ends on one side, ground edges 71068) Slide frosted one end on both sides, ground edges 71079) Frosted one end on both sides, unground edges 7107-110) Frosted both ends on both sides, ground edges 710811) Frosted on one side, ground edges 711012) Color frosted one end on one side, ground edges 7105-S13) Color frosted one end on both sides, ground edges 7107-S producing area:China payment:L/C, T/T