Features: Made of safety silicone rubber. size:10X5mm. Suitable for Fenix 6/6s Pro/6s Sapphire/ for Fenix 6/6x Sapphire/6x Pro Solar/ for Fenix 5s/5s Plus/ for Fenix 5/5 Plus/ for Fenix 5x/5x Plus /Vivoactive 3/3 trainer and so on. Not only a anti-dust plug, it also decorate your cellphone and gives it a good look. Easy to be installed on charging port and will stay firmly. When you need to charge your watch, it is also easy to remove. Specifications: Name: Dust Proof Cap Colors: Black/ Mix Suitable for: for Fenix 6/6s Pro/6s Sapphire/ for Fenix 6/6x Sapphire/6x Pro Solar/ for Fenix 5s/5s Plus/ for Fenix 5/5 Plus/ for Fenix 5x/5x Plus /Vivoactive 3/3 trainer and so on Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm dimension difference due to different manual measurement. Package includes: 10 X Mixing Colors Dust Proof Cap OR 10 X Black Dust Proof Cap