Our SpunGee tube pillow is filled with air-soft micro-beads to give you flexible, squishy softness and can be molded into any shape you want for personalized comfort. Ultra-lightweight for your convenience, and perfect for multiple uses such as for the lower back, neck, head, legs, or knees. The carabiner on the corner can be used for attaching the pillow to a backpack or other bag while traveling or not in use.