Vulcanized rubber strap which is precisely calibrated to fit the Rolex Explorer I (39mm). This strap utilizes "Blocked Integration" engineering, incorporating solid inserts for a flawless, motionless flush mount to the Explorer I 39mm case*. 

• Features the Rubber B signature "T" design.
• This strap is our popular, adjustable CLASSIC SERIES, which provides a universal fit for all wrist sizes XXS - XL ( 5 1/2 - 8 1/4 inches or 14 - 21 cm ) mounting easily to your Oyster Clasp.
• Made in Switzerland of pure vulcanized rubber. No coating, blends or bonding.
• Meets FDA and BVGG specifications: non-toxic, non-marking, non-allergen.
• Does NOT use additional links from your original Rolex bracelet. However, the 6 o'clock side of your clasp may have a permanent half-link with a rivited screw (similar to the rear clasp photo in the Alterernate Views. This link is where the strap will mount your clasp.
• Watch & buckle not included. This luxury strap is designed to mount the customer's own watch and Oyster clasp from Rolex.