Compatible Model Funbiz soft silicone sport bands perfectly fit Fitbit Sense Fitbit Versa 3 Fitbit Versa 4 Fitbit Sense 2 Size Available Size S is suitable for 6.1 - 7.9 ( 155-200mm) wrist Size L is suitable for 7.3 - 9.3 ( 185-235mm) wrist Safety Design Comes with new design of the connector both sides with smart watch lugs replace the old stainless steel pin-and-tuck connector securely lock into the watch slots prevent the watch from falling off Multi-color Choices Multiple colors for your choice personalized your watch to fit your mood and outfit in daily life Premium Material These bands made of premium eco-friendly elastomer they are durable waterproof lightweight flexible and soft. No fading No smell No toxicity No irritation. Bring you nice and comfortable wear experience Multiple Occasions Perfect for running swimming riding workout parties climbing hiking camping travel and other indoor & outdoor activities