If you've purchased any of our Moleskine or Field Notes Covers, you will at some point need to replace the elastic strings. The string used to hold in your notebook inserts and to wrap around the exterior to hold the cover closed in the No. 1011, No. 510 and No. 410 Journal Covers. Designed as a direct replacement or custom upgrade for our No. 510 and No. 410 Journal Covers, these high-tension elastics provide the reliable mechanical retention needed for your Moleskine Cahier inserts. Available in a diverse range of nine colors (from classic Brown and Black to vibrant Red and Green) they allow you to personalize your journal system while maintaining its structural integrity for a lifetime of writing. Brand / Model: ColsenKeane Journal Replacement Elastics Compatibility: Specifically engineered for No. 1011, No. 510, and No. 410 Journal Covers Function: Provides the necessary tension to secure Moleskine Cahier or other journal inserts within a leather cover. Color Available: Brown (Standard), Black, Orange, Red, Green, Blue, Pink, White, Yellow