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# Double sided Zip-Loc® food bag

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A re-useable (heavy gauge) plastic bag made of food grade material with a Zip-Loc® seal.

The seal portion has the same moulding profile on its exterior and interior; thus two bags can be overlapped mouth-to-mouth over an item or items and the seals then connected, giving a package about 185% of the volume of one bag alone.

Useful for items that are oddly shaped or not easily divisible, like loaves of bread, cakes, whole fish etc.

Any gratuitous "seal" jokes or puns will be dealt with by the usual kindly and compassionate methods i.e. summary execution (for a first offence). You have been warned.

 — 8th of 7, Feb 24 2020

 You can see if this works, like I just have, by turning one bag inside out and checking if it seals inside another. It doesn't, because the inner bag needs to be slightly smaller. Maybe you could add the seal to the outside of the bottom of the bag and make that slightly smaller?

Having seals on the outside would mean you could stick bags to one another, which might be helpful.
 — bs0u0155, Feb 24 2020

 // the inner bag needs to be slightly smaller //

You can get round that by just making the outer bag slightly larger, though.
 — 8th of 7, Feb 24 2020

Suppose I want to seal together three bags, to enclose a volume of approximately 267% of a single bag?
 — pocmloc, Feb 24 2020

Ah, Sir wishes to purchase our special "Klein Bottle" bag, which can enclose not merely 267% of a basic bag, but can in fact hold the entire Universe due to its topological mapping.
 — 8th of 7, Feb 24 2020

Questions: What colour is the bag?
Can you eat the bag as well?
 — xenzag, Feb 24 2020

 It might be easier just to make the inside bigger than the outside.

 // Questions: What colour is the bag? //

 The basic version is "natural" HDPE; however, for a small additional charge - depending on the batch size - we can provide a subtle, tasteful tint* of any Pantone you desire.

 // Can you eat the bag as well? //

 You certainly can. It has no flavour or nutritional value, is entirely indigestible, and its consumption will probably make you very ill, but yes, you can definitely eat it.

 Whether you should eat it is a quite different question.

*part of the cost is that we have to sub-contract that part of the job as "subtle, tasteful" is not something that the Borg are particularly known for.
 — 8th of 7, Feb 24 2020

You could just get bigger bags
 — pocmloc, Feb 24 2020

 // British Cuisine ///

 BZZZZZT Tautology !

 "Cuisine" in Britain is only performed by furriners. True natives "cook good, plain, old-fashioned food" balanced on the four main food groups - starch, sugar, saturated fat, and Burnt Brown Crunchy Bits*

 // You could just get bigger bags //

 Don't be silly, that would just make a complete farce of the whole thing.

*Which are the equivalent of green vegetables, vitamins and minerals in other diets; any deficiencies are handled by the consumption of nutritional supplements in the form of aqueous solutions of ethanol.
 — 8th of 7, Feb 24 2020

 //hold the entire Universe//

No, they really can't. Fill it up and pretend all you like but any additional liquid is not, in fact, inside the bottle even if the spout is on the bottom. Sure you can say it's the same surface. But then I can point out that an ant can crawl from the outside to the inside of a traditional bottle too, and therefore a traditional bottle also contains the universe. A Klein bottle is a 3-D structure that exists in the real world and the limit of its surfaces and volume is thus defined.
 — Voice, Feb 24 2020

 You just need to think in more dimensions, [Voice]. Here, try some of these ...



Probably best just to take half of one to begin with, and see how you go. Or where you go. Or when. Or all three ...
 — 8th of 7, Feb 24 2020

 The outer bag, in normal form, is a parallel layer on layer with an edge seal at sides. Sticking, even if reduced, a second layer pair between the first pair will cause voids at those sides which can't be sealed.

 Biconvex with extrusion always perpendicular to layer. Forced apart overlap in outer, truncated short in inner.

If the two bags each had a continuous oval extrusion it might work but there goes individual use.
 — wjt, Feb 25 2020

 //A Klein bottle is a 3-D structure that exists in the real world and the limit of its surfaces and volume is thus defined//

This is true of most Klein bottles. The other type is a 4-D structure that exists only in the imagination and is unfortunately less widely available on the market.
 — caspian, Feb 25 2020

 What’s grey and has a trunk? A seal on holiday.

C'mon then [8th], if you think you're all hard enough....
 — bhumphrys, Feb 25 2020

 Us ? Oh, not us. Oh no. You see, we know where you live, [bh], and very soon Sturton and the Intercalary will know too ...

 We've spun them a very plausible story, and you're going to struggle to convince them that it isn't what you want. In fact, if you struggle, you'll actually make it more convincing.

Have you seen the movie "Deliverance" by the way ? No matter ...
 — 8th of 7, Feb 25 2020

 // BZZZZZT Tautology //

bzZZ ... ZzznkPlop I'm pretty sure you meant "Oxymoron".
 — pertinax, Feb 26 2020

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