DIY Insulated Hydration Sleeve for Hydration Backpacks

I needed a new bladder for my “backpack with a straw.”
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While shopping for hydration bladders I realized one with an insulated hydration sleeve would cost twice as much. Like usual, I decided to make my own instead.

Materials:

  • 4 inches by 43inches Outer Material (Try to go for lighter colors!)
  • 3 1/2inches by 43inches Inside Material
  • 2 1/2inches by 43inches Batting
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Directions:

Cut your fabric to the dimensions above. This pattern is for a tube with the diameter of approximately 1-1/2 inches, and the length of 41 inches. Add any extra width or length if necessary.

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Take the top fabric, and layer the batting and then the inside fabric on top of it, like the picture. Fold the end of the fabric and sew the hem.

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Next sew all three pieces of fabric together, down the middle.

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After you finish sewing the three layers together, hem the other edge as well.

Next, iron the two long edges. Fold the edge over by about a quarter of an inch and press. Do this for each side.

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Put your two pressed sides together, and sew the edge.

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Now you have a nice insulated hydration sleeve for the straw of your hydration backpack, that is made from much cuter fabric than usual!

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