can't read?
Poly(ethylene-vinyl acetate) (PEVA), is the copolymer of ethylene and vinyl acetate.
P 4973 (OTTO) Poly(ethylene-vinyl acetate) vinyl 18 wt. % Cas 24937-78-8 - used to make thermoplastic mouthguards that soften in boiling water for a user-specific fit. It is also used for conditioning and waterproofing leather.