Product name: Inflatable Pillow_x000D_Weight: about 320g_x000D_Size: 45*30*12cm when in use, 15.5*20cm when in storage_x000D_Material: 30D stretch fabric, pongee fabric, TPU, stretch sponge 19 times stretch 11. Ergonomic design: It completely fits the curve of the human cervical spine, ensuring the health of the head and neck, providing soft support and quality sleep. 22. High elasticity, comfort, and quiet sponge: 19 times high elasticity sponge and 30D elastic fabric, not only quiet and comfortable but also protect your cervical spine, allowing you to enjoy a comfortable sleeping environment and fresh air even when outdoors. 33. Quick inflation: Double-layer air valve makes inflation and deflation faster. The first layer is a one-way inflation system to prevent air leakage, and the second layer can quickly deflate when opened. 44. Convenient to carry: the pillow is small in size and light in weight. Equipped with a peach skin outer bag, which can be folded and stored in the bag, and the steps are simple. 55. Specifications: size: folded size: 15.5*20cm; unfolded size: 45*30*12cm; material: 30D elastic fabric, pongee fabric, TPU, elastic sponge 19 times the elasticity; weight: about 320g.