1 YEAR WARRANTY - Each HERRIAT product is inspected one by one before sale. Our warranty covers any defect caused during product production and delivery. In case you are not satisfied with your purchase, return or replace it without any problem. | DURABLE & PRACTICAL - This waitress book is handmade by skilled workers and is very durable. And it has multi-function compartments and a zipper pockets, which can organize various items very well, such money, business cards, credit cards, receipts, coin, tickets, guest check, pen, etc. In short, it can fully meet your needs at work. | EASY TO CLEAN - The material of the product has excellent waterproof and easy cleaning characteristics. You can wipe the stains on the surface very easily, such as oil, pen marks and wine and so on | PERFECT SIZE - It is a moderate size. The closure size, 8.07inch * 4.92inch * 0.39inch, the expansion size: 10.35inch * 4.92inch. whether men or women will not feel too big or too bulky when holding it. And it can be fit for server apron pocket well. | LIKE A RAINBOW IN LIVES - The holographic glitter materials used in the server books，can display wonderful and unpredictable colors in different angles and light, it just like a little rainbow in lives, very interesting.

Shrink Ratio: 2:1 (Shrinks to 1/2 of its original diameter) | Highly Flame Retardant - UL224 125° C - Voltage Rating: 600V | UL Listed & CSA Certified - RoHS Compliant | Operating Temperature: -55° C to +135° C (-67° To 275° F) - Maximum Continuous Use Temperature: 135° C (275° F) | Applications: Electrical Insulation, Strain Relief, Cable Bonding, Color-Coding, Wire Marking, Corrosion Protection, Solder Insulation, Wire Bundling & more.