Plastic Soda Bottle Lid Capsule

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About: Brian Green is an avid lightweight backpacker and author of the popular Brian's Backpacking Blog. Originally from Southampton, England, Brian has lived in the US for over 14 years, finally settling in North ...

A couple of months ago I stumbled upon a discussion board that talked about and showed a small, lightweight reusable container made out of the necks and lids of two plastic soda bottles.  I haven't been able to find that same post ever since, but remember enough about it to want to give it a shot for myself.

I started with two identical plastic soda bottles to make sure that they would match in size. I cut the necks of the bottles off using a small hacksaw making sure that I kept the large flange that would be used to glue the two necks together later.

Step 1: Cut Off the Necks

I used a vice to hold the bottles still while I cut through them. If you don't have a vice you can still do the same thing by hand,but be very careful and take your time.

Once I had cut off the neck of each bottle I used a flat file to smooth down the rough saw marks and left over plastic.  The idea is to remove all the rough edges until you have a flat surface level with the large flange as this will be where you will glue the two pieces together.

Step 2: Smooth the Edges to Be Glued

Once I had filed the rough edges down and made sure that the edges were level. I used a little 600 grit sandpaper to smooth the edges a little more than what I was able to do with the file.

Here are the two sections of bottle necks ready to be glued together. I made sure that they were both clean and free from any rough edges that would stop good contact.

Step 3: Glue Pieces Together

I applied a small amount of super/crazy glue to the flat edges and then, using a small clamp, squeezed them tightly together to set. This type of glue only takes a minute or two to set, so after five minutes and a fresh cup of coffee I released the clamp to inspect my handiwork.

The final result is a small water-tight container with two ends that can be open via the lids. The total weight of the container is 0.5oz and it took about 10 minutes to make including the time to let the glue set.

Step 4: The Finished Result

This was a quick little project and a lot of fun to make.  My seven-year-old son, Jack, helped me with some of the steps and watched throughout the entire process.  He thought it was pretty cool to make a little piece of gear out of something else that we would normally just recycle.  I probably won't be making a lot of these or using them for everything, but it is a useful little container and is very strong.  I could see this being used as a container and float for a small fishing kit.

If you have some time and a few spare plastic soda bottles laying around, give it a try.  After making this one I made another one with an additional flat piece of plastic sandwiched between the two necks that created a dual compartment container. I think I'll use it for salt and pepper!

This instructable was originally posted on Brian's Backpacking Blog.

2 People Made This Project!

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153 Discussions

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Bomberman1127

1 year ago

If you have any old Credit Cards you can glue that in between the pieces and then you get two seperate (but smaller) compartments

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whisperingsage

1 year ago

In the old days, this WAS recycling.

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Josephflorida

3 years ago

I saw this when geocaching and I had to make one!

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gregg5

3 years ago on Introduction

Cool, it works great. I made a few to store matches and put them in everything I use. I also glued a small piece of sandpaper on the inside of the caps for strike anywhere matches.

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CreakThe survival dude

Reply 3 years ago

There is a similar instructable made by Dop 13. I suggest checking it out.

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Creakjedikid6777

Reply 3 years ago

If you have any kind of sander handy try that. Just be care full of your fingertips if you use a belt sander.

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kalvin359

4 years ago

i made one and used it to store my weed

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dputra6

4 years ago on Introduction

This is great, already made my own, I use juice bottle cap instead of soda for larger capacity. Wrap it with fishing line (snare) and fill it with hooks, sinker, matches, xacto blade, baby pin, and bandaid . then throw it in to my emergency bag . Thanks.

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nic nak

5 years ago

I agree that this would make a great geocaching log container. 35mm film pots used to be perfect, but who buys those anymore?

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Reiffnic nak

Reply 5 years ago on Introduction

Yeah, I have found a geocache in that before, had a magnet inside so it attached to a guardrail. Also you can buy film canisters on ebay specifically meant for geocaching.

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handprints

5 years ago on Step 4

This is so cool! I am running to rescue stuff from our recycle bin!

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Schmidty16

6 years ago on Introduction

here is mine that ive had for a while befor and after it is made out of a gaterraid bottle i am going to make an instructable on

DSCI0228.JPGDSCI0234.JPG
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Tofu

7 years ago on Introduction

Not going to read all 107 comments; to see if someone already mentioned this or not; but this would be a great small geocaching log container.

Great 'ible!