waterproof photo paper Specification: A3, A4, 4R, 5R, A6 etc. Features: 1) High glossy photo paper. 2) Water resistance. 3) Instant dry. 4) Super white. 5) Compatible with Pigment and Dye ink. 6) OEM orders are accepted.Packing: 20 sheets/pack, 50 sheets/pack, 100 sheets/pack, 500 sheets/pack. OEM package are accepted.