Item Name: Protective Sleeve Material: Silicone Applicable Model: Compatible with Bryton-Rider 430, Compatible with Bryton-Rider 320 Features: Shock-proof, Wear-resistant, Lightweight Size Details: 8.53cm x 5.24cm x 1.67cm / 3.36" x 2.06" x 0.66" (Approx.) The protective sleeve features fine workmanship and is designed for long-term use. Made of silicone, it is eco-friendly and durable. The sleeve helps protect your stopwatch from impact, water, and dust. Dimensions: Length 85.3mm, Width 52.4mm, Height 16.7mm Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Protective Sleeve (Other items not included)