FULLY ADJUSTABLE (M-XXL): Wearable size from 24” to 40” with a max stretch to 61”. Quick connect clasp fits securely & attaches easily. **IMPORTANT: Includes heart rate monitor chest strap replacement only (DOES NOT include Electronic HRM module/ transmitter). WATER-PROOF, NON-CHAFE SOFT RUBBER: Quick connect electrodes are protected by soft touch, water & sweat proof rubber coating. Fully washable (not for swimming). SUPER COMFORTABLE SOFT STRAP: Made with a hybrid of 80% Nylon & 20% Spandex, our strap is designed for 15 hr+ comfort. COMPATIBLE WITH MOST HEART RATE MONITOR CHEST STRAPS: Designed to work as a ANT+, Bluetooth, 5.3Hz chest strap replacement with most Garmin HRM, Wahoo Tickr (1st & 2nd Gen), Polar (H7 & older), Mo-Fit, Powr Labs, Coospo & others. NOT compatible with recessed heart rate monitors like Polar H9 & H10, MyZone, Peloton, Garmin Tri, Wahoo Tickr (2020 3rd Gen). If you have compatibility issues we will happily refund your order!. HIGH QUALITY, TOP VALUE: Why pay for a name brand strap that costs as much as a new Heart Rate Monitor? Get the same quality, comfort & compatibility for a fraction of the cost from a US based training performance brand.Sensor Type: Wearable. Battery Life: 24 Hours. Item Weight: 1.12 Ounces. Item Dimensions LxWxH: 61 x 1.5 x 0.1 inches. Screen Size: 0.96 Inches. Compatible Devices: Heart Rate Monitors - Powr Labs, Garmin, Wahoo, Polar, Coospo, Moofit. Color: Black. Material: Nylon, Rubber. Brand: POWR LABS. Date First Available: May 31, 2020. Best Sellers Rank: #18,704 in Sports & Outdoors. Customer Reviews: 4.4 out of 5 stars 788 ratings 4.4 out of 5 stars. : B085DBKLSQ. Size: ?1 Count. Style: ?Chest Strap Replacement Band. Part Number: ?Unknown. Manufacturer: ?POWR LABS. Number of Items: ?1. Material: ?Nylon, Rubber. Color: ?Black. Brand Name: ?POWR LABS. Item Weight: ?1.12 Ounces. Item Dimensions LxWxH: ?61 x 1.5 x 0.1 inches. Package Weight: ?0.03 Kilograms. Item Package Dimensions L x W x H: ?6.85 x 1.65 x 0.98 inches.