THEY JUST CLIP ON AND OFF YOUR S10 MASK
S10 gas mask eye covers to protect the Lenses
1 Set plus 1 Black cotton string pull Bag to keep them in when not on the mask.These S10 respirator lenses will fit any sized S10 Respirator.
They fit the outside of the mask and can be easily be put on and taken off in a few seconds
YOU ARE ONLY BUYING THE Custom Made 3D eye coverswith
3mm polycarbonate lenses
YOU ARE NOT BUY THE MASK ONLY THE SET OF LENSES WITH CLIP ON HOLDERS AND BAG