Uses high-grade space blanket technology! The interior plastic walls of a dark navy or black tote are wrapped in shiny mylar thermal blankets, which reflect 90% of radiant body heat while the dark exterior absorbs ambient sunlight.
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| MYLAR HEAT-TRAPPER CAT SHELTER |
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| | DARK NAVY/BLACK PLASTIC TOTE (Absorbs Solar Heat) | |
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| | 3M SPRAY ADHESIVE + MYLAR REFLECTIVE SPACE BLANKET | |
| | 100% Interior Wall and Ceiling Coverage | |
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| | Thick Layer of Deep Nesting Straw on Floor | |
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Key Build Features
- Materials: Dark-colored storage tote, 3M spray adhesive, two $1 mylar emergency space blankets, foil tape.
- Advantage: Zero lost interior space compared to thick foam boards—ideal for smaller 18-gallon totes.

6. PVC Elbow Pipe Wind-Baffle Entryway
Stops frigid winter wind tunnels in their tracks! A 6-inch 90-degree PVC plumbing elbow or flexible dryer duct is fitted into the tote’s entry hole, forcing air to turn a corner and keeping the interior draft-free.