How to Make Plastic Costume Armor

Written by kara bietz
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How to Make Plastic Costume Armor
Use recyclable plastic containers to dress up like a knight for Halloween or just for fun. (knight image by Vladislav Gajic from

Your recycling bin can be a great resource for finding materials to make a knight costume. Use plastic junk you would otherwise throw out to make armour, helmets and shields. Making plastic armour will not cost you anything, and you can decorate it to your liking with spray paint, permanent markers, feathers and other adornments. Dress up as a knight and you'll be ready to take on any battle dressed in your plastic suit of armour.

Skill level:

Things you need

  • Recyclable plastic containers
  • Snips or scissors
  • Craft glue or hot glue gun
  • Elastic
  • Spray paint
  • Feathers and other decorative craft materials

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  1. 1

    Wash all plastic containers and allow to dry completely. Skipping this step could result in mouldy and foul smelling plastic containers that will be unpleasant to work with and wear.

  2. 2

    Fashion a helmet from a plastic milk jug. The helmet should cover your face and be rounded on top. The spout of the milk jug can be used to hold feathers or other adornments for the top of your head. Measure and cut eye holes in the milk jug for visibility. Attach elastic at the bottom of the helmet as a chin strap to help secure the helmet to your head.

  3. 3

    Fashion plates for your shins and biceps using rounded plastic, like from water bottles. Use craft glue or the hot glue gun to attach elastic to these pieces in two places in order to secure them to your body.

  4. 4

    Paint all the pieces with metallic spray paint. There are several different paints available that can add texture to your creation. Experiment and find the paint that you like the best. Allow paint to dry before attaching adornments or using markers to decorate your armour.

Tips and warnings

  • Cut plastic carefully and round all edges in order to prevent injury to your skin.

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