TYVEK® PLANTS Indicator seals for plants Colors available     water   red   blue   light blue   green   grey   gold   orange   pink   purple   mauve   black   white   yellow   brown   orange fluo   green fluo   pink fluo Self-locking identicator seal. Locking system due to an extra strong glue. Tamper evident, no reusable with consequential numbering. All surface is available for print. Advised also for your advertisement. Packing 500 pieces. Barcode available