Features: High-quality Nylon Material: Made from durable and environmentally friendly nylon, ensuring long-lasting use and contributing to a sustainable lifestyle. Stainless Steel Chain for Security: Equipped with a stainless steel chain, this deck filler cap prevents loss or misplacement, providing peace of mind during your boating adventures. Suitable for Various Deck Fillers: Designed to fit 38mm (1.5") deck fillers, this versatile cap is suitable for most boats, yachts, and ship decks, making it a perfect choice for marine enthusiasts. Suitable for Boat Owners and Yacht Enthusiasts: Whether you're a professional sailor or a leisure boat owner, this cap is an essential accessory that ensures the safety and functionality of your vessel. Enhances Your Boating Experience: With its reliable rubber gasket at the base, this cap ensures a secure and tight seal, preventing any leakage and allowing you to enjoy a worry-free boating experience. Specifications: Material: nylon Type: with key/non (optional) Note: Please allow 1 to 3 cm error due to manual measurement; please ensure you do not mind before purchasing. Due to differences between monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Deck Fill Cap