(3) Our Quart caulking tube is 8-1/8" x 18-1/8" Kraft backed aluminum foil body with a 4" natural spout, imprinted and spirally wound. Foil patch at spout base, 75 Ib. Epon coated metal plunger and top. Hot melt sealed .001 aluminum foil liner. Packed 154 pcs per carton.