Product description:
Core advantages of professional anti-slip ear hooks for glasses:
Material safety:
Medical grade silicone (Shore hardness 30A)
Passed ISO10993 biocompatibility test
Zero formaldehyde and zero heavy metals
Ergonomics:
3D wave anti-slip pattern design
Suitable for 4-9mm temple diameter
Single weight is only 1.2g
Performance data:
Friction coefficient increased by 65%
Temperature resistance range -30 ~150
Washable and reusable
Applicable scenarios:
Basketball/yoga/cycling/laboratory work
What's in the box
15 Pairs of Silicone Eyeglass and Sunglasses Hooks
