This Portable Shoe Travel Storage Bag by NoEnName_Null is crafted from polyester with a polypropylene composition, ensuring a soft yet durable feel. Designed in Zhejiang, China, it features a zipper closure for secure storage. Available in single-layer (30 x 21 x 9 cm) and double-layer (30 x 22.8 x 15 cm) designs, it is suitable for casual travel use. Please note that manual measurements may vary by 1-2 mm. The bag contains no harmful chemicals, prioritizing safety and convenience during your travels.