Compact Pro Quality Scuba Diving Safety Marker Buoy Tube 15x150cm - Smb. Introducing the Ultimate Diving SMB Buoy, Designed to Enhance Your Underwater Explorations with Superior Performance and Safety. Crafted from Robust 210D Nylon with a Durable TPU Coating, This Buoy is Built to Last. Its Reflective Surface Significantly Improves Visibility, Ensuring a Safer Dive Every Time. The Buoy is Offered in Three Practical Sizes and Features a Unique Two-stage Inflation System for Effortless Use. The Simple Mouth Inflation and Automatic TPU Check Valve Ensure Secure Sealing, While a 4.5cm Explosion-proof Valve Adds Extra Safety. For Stability and Reliable Attachment, It Includes a Shaped Lead Sheet at the Tail and a 316 Stainless Steel D-ring. The Buoy's Double-sided Coating Prevents Fading and is Equipped with a Waterproof TPU Layer, Free from Unstable Chemicals, Making It Versatile for All Diving Conditions. Summary of Features: - Materials: 210D Nylon with TPU Coating - Inflation: Two-Stage System, Mouth Inflation - Safety: 4.5cm Explosion-Proof Valve - Size Options: 1.2m X 15cm, 1.2m X 18cm, 1.5m X 15cm, 1.8m X 18cm - Additional Features: TPU Check Valve, 316 Stainless Steel D-Ring - Coating: German Imported Single-Bond Waterproof TPU - Package Includes: 1 Pair of Diving SMB.