Disclosed is an oxygen-absorbing resin composition valuable for preserving water-containing contents such as drinks and precooked food, which comprises a heat-formable resin or resin composition having an oxygen permeation coefficient larger than 10.sup.-12 cc·cm/cm. sup.2 ·sec·cmHg at a temperature of 20° C. and a relative humidity of 0% and a water adsorption of at least 1% in pure water at 20° C., and an oxygen scavenger incorporated into said resin or resin composition, and a laminate, a liner, a cap and a vessel, which are formed by using this oxygen-absorbing resin composition.
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