Think of it, everything you put things in is generally a rectangle. Putting a rectangle inside a rectangle just makes sense. If you need third party confirmation, just look at a British soldiers "kit". They been conquering the planet for three hundred years, they must have learn something.
32 OZ Nalgene Sustain Tritan BPA-Free Water Bottle With 50% Plastic Waste Material, Wide Mouth
11 Review
Replace Your Nalgene On The Fly Cap With BPA-Free Water Bottle Cap
10 Review
24Oz Miracle 360 Spill-Proof Sippy Cup: Perfect For Toddlers, Big Kids & Adults - Pink!
15 Review
Motivational Water Bottle With Time Marker - Vmini 1 Gallon Leakproof Gym Sports Outdoor Large Capacity (128 Oz, Navy Blue) For Daily Hydration
16 Review
Portzon Women'S Waist Trainer: Weight Loss, Sweat Belt, Sauna Trimmer, Tummy Toner, Lumbar Support
47 Review
Smart bracelet Xiaomi Mi Smart Band 6 CN, black
50 Review
Metal Frame Night Driving Glasses For Men: BIRCEN HD Anti-Glare Night Vision Glasses For Safe Driving
47 Review
Ultimate Fitness Tracker: Xiaomi Mi Smart ๐๏ธ Band 6 - 1.56'' Offers Unmatched Features and Performance
78 Review