They’re likely Velcro shavings — small fibers from the hook side of Velcro fasteners that have broken off. These fibers are shaped like tiny hooks (hence the “U” shape) and can resemble lint or hair.
💡 Common Sources of Velcro Shavings:
Velcro toys dragged across the floor
Shoes (especially kids’) with Velcro straps
Backpacks or bags with Velcro closures
Frequent opening/closing of Velcro items (clothing, accessories)
Pet accessories with Velcro
Vacuuming over Velcro can scatter shavings
Worn-out or low-quality Velcro
Craft or laundry items with Velcro
✅ Are They Dangerous?
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