Compatible for FITVII Fitness Tracker Bands 20mm 22mm Stretch Elastics Nylon Adjustable Replacement Strap Accessories Compatible for FITVII HM57 HM78 HM68 HM21 H56 H86 Smart Watch Fitness Tracker (Black 22mm size band)

[【18mm size band for】: FIT-VII Nexa 【20mm size band for】: FIT-VII HM21 HM68 H86 Smart Watch Fitness Tracker 【22mm size band for】: FIT-VII HM57 HM78 H56 Smart Watch Fitness Tracker "SKIN-FRIENDLY MATERIAL: Single-layer elastic band material which is skin-friendly durable breathable and lightweight design. Its a stretch bracelet wrist bands and fits snugly without constriction. Durable elastic band makes you feel comfortable to wear" Multi-COLOURED BANDS: Multiple patterns for choice. The colorful band is usually perfect choice for any occasion EASY CHANGE STRAPS: The sport band comes with watch lugs on both ends which locks onto your Smartwatch precisely and securely. Easy for installing directly and removing with one button SINGLE-LAYER PATTERN: Lamshaw Scrunchie elastic replacement strap is USES the ultra supple Nylon material and the first-level cotton manufacture becomes. Above all we only use Single-Layer Pattern. Because the Double-Layer Pattern Stretch Bands will cracks more easily]