⚠️ Please be sure to read the profile. I will not reply to comments from those who have not confirmed the profile, so thank you for your understanding. ⚠️ We do not accept price negotiations. Please refrain from purchasing if you are in a hurry, are strict about quality or size, or if you are looking for perfection, as items will be compressed compactly and packaged simply with the bare minimum. 【 DUPON Tyvek Sheet Silver 】 For heat insulation, laying it down, wrapping things... A versatile sheet that comes in handy for various purposes. ～ See the manufacturer's website for details ～ ↓↓↓ Excerpts below ↓↓↓ Tyvek® Silver is a heat-reflective sheet made by vapor-depositing aluminum onto high-density polyethylene non-woven fabric Tyvek®, and further coating each fiber with an anti-oxidation resin to prevent aluminum degradation. Unlike other companies' products that simply sandwich breathable aluminum between thin waterproof films, it is a robust building material with little degradation in heat reflectivity and waterproofness even after long-term use. ① Heat Reflectivity: Reflects approximately 85% of infrared rays. ② Heat Resistance: Prevents oxidation degradation of aluminum. ③ Breathability: Numerous gaps allow moisture to escape. ④ Waterproofness: High-density fibers block water. ⑤ Waterproof Durability: 97% waterproof retention rate. ⑥ Robustness: Resistant to damage from construction. ⑦ Effective for summer condensation. ◻︎ Tyvek Silver ◻︎ Approximately 1 m x 2 m / 119g (variations exist) ◻︎ For ground sheets, inner sheets, MYOG, etc., as you like. ◻︎ We cannot accept requests for specific Tyvek logo designs or positions. ⚫︎ Please refer to the listed sizes, etc., as approximate guidelines. ⚫︎ As you know, it is originally a building material. Scratches, creases, skewing, stains, etc., may occur due to aging and storage. Please understand the characteristics of the material. ・・・・・・・・・・・・・・・・・・・ It will be delivered as is, and there is no warranty after arrival. Please take a good look at the photos and description, and consider and carefully consider, Only those who understand the product characteristics and stored items, please. Shipping will be done using recycled materials, etc., and will be simply packaged by folding and compressing it, so wrinkles will occur. Please be aware of this. Bike Packing BLUE LUG FAIRWEATHER OUTER SHELL Montbell Muraco AXESQUIN Ryo LOCUS GEAR UNHALFDRAWING ULTRA GOOD LUCK SOL SixMoonDesigns