RUIGPRO for GoPro HERO8 Professional 58mm 16X Macro Lens Dive Housing Filter + Dive Housing Waterproof Case with Filter Adapter Ring & Lens Cap Cat 5E and the adult size is

and the adult size is suitable for 39-45 size

Applicable for Huawei FreeBuds 4i headphones

15inch    front disc use  M      rear disc use S

5cm * 6cm / 3

Number of gear teeth: 30

RUIGPRO for GoPro HERO8 Professional 58mm 16X Macro Lens Dive Housing Filter + Dive Housing Waterproof Case with Filter Adapter Ring & Lens Cap Cat 5E and the adult size is1. Made of high definition optical glass and metal material, durable to use. 2. High light transmittance, you can capture more clearer and brighter picture under water. 3. 16X Macro lens, increase the magnification of the object, more suitable for shooting plants and flowers or small insects. 4. Comes with a standard ring adapter. 5. Compact, light and portable accessories for sports camera enthusiasts. 6. Ideal for scuba diving, snorkeling, swimming