Compatible with Picowe watch strap can work with your original SUUNTO Core SS014993000 / SS013336000 / SS013337000 / SS018650000 / SS013339000 / SS018819000 / SS018820000 / SS013331000 / SS018816000. Warm notice Under the correct maintenance methods,the features of waterproof,durable and adjusted would help to Extend the life of strap. Specifications Feaures Softness, waterproof and sweat. Compression molding, sturdy and durable. Package Included 1 x Picowe Replacement Strap 2 x Installation Tools 2 x Screws Size Adjustable The size can be adjusted according to the circumstance of individual wrist. 3 Colors for Choice: Blue Black Orange