TRAININGMASK Elevation Training Mask 2.0 Resistance Valves Pink This is a set of replacement valves for the Training Mask 2.0! Train in style with custom resistance valves that fit your personality. This excludes the silicone rubber face cover and neoprene sleeve. MASK SIZE DOES NOT MATTER ALL VALVES ARE THE SAME FROM (S,M,L) These are intended as replacement valves for the Training Mask 2.0. Do not buy the valves and sleeve alone, they will not work without the silicone rubber face cover which only comes in the Training Mask 2.0 package.