The protective sleeve is non-fading and wear-resistant, which has long service time. The protective sleeve can protect your running sensor from dust, water and impact. Made of silicone, the protective sleeve is skin-friendly, durable and eco-friendly to use. The length of the protective sleeve is 39.6mm and width is 23.5mm. The running sensor protective sleeve is suitable for Garmin Running Dynamics Pod. Item Name: Protective Sleeve Material: Silicone Color: Black, White, Wine Red, Lime-Color, Midnight Blue Applicable Model: for Garmin Running Dynamics Pod Features: Sweat-proof, Waterproof, Non-fading Size Details: 3.96cm x 2.35cm/1.56" x 0.93" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Protective Sleeve(Others Not Included)