[The KG9 Kid]

Put the phone inside an old yard sale microwave or the government drones will know the location of your favorite shooting spot.

[Mogger]

I get various sized decorative tin containers such as old cigar tins, cookie tins, cigarette holders, kids' lunch boxes, etc. at yard sales, flea markets and antique shops.

For more rugged protection, ammo cans.

I line the insides with cardboard or adhesive backed pipe insulation.

Now your credit cards are protected from RFID readers and electronics gear from monitoring and from electromagnetic pulse.