Two Sizes Are Available Small Wrist Strap Is Suitable For 4.7 - 6.7 Inch Wrist (About 11.9 - 17.0 Cm); he Large Wristband Is Suitable For Wrists Of 6.3 - 7.9 Inches (About 16.9 - 17.0 Cm). Packing List: 1 X Replacement Strap (Excluding Watches) Faq: Q: Is The Watch Supplied With The Package? A: No, Only 1 Replacement Band . Watch Equipment Is Not Included. Q: If I Find A Defect In The Watch, How Can I Replace It? A: You Can Contact Amazon Customer Service Or Send Us An Email, And We Will Try Our Best To Help You Solve It. Q: If I Am Not Satisfied With This Product, Can I Return It And Refund It? A: Of Course, If You Are Not Satisfied With The Product, You Can Return It To The Band And Get A Full Refund.