- ULTRALIGHT AND SUPER COMPACT: Folding size:4 x 2 inches (10 x 5cm),smaller than a coke can, weights only 2.75 oz (78g).It can be easily carried in your backpack or pocket for easy access. Inflate to 16 x 12 x 4 inch(40.6x30.5x10.2cm), which is a perfect size as a pillow or lumbar support.
- TPU ELASTIC COMPOSITE FABRIC & SUPERB TECHNOLOGY: Made of polyester fiber material, coating TPU in inner, breathable and durable, you can be comfortable in all seasons, not sultry; Using integral double layer composite gluing technology, enhanced sealing, firm and not easy to leak, longer lasting.
- IMPROVED ERGONOMIC DESIGN: Curved contour cradle your head in supportive position and prevent head sliding. The arc bottom edge reaches to neck root which can better support your neck
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