[High Quality]: Our 21 x 29.7cm acrylic sign holder is made of high quality clear acrylic.The best anti-drop acrylic material is used, so it is stronger, more , and has a longer service life.Note: Please remove the protective film before use for a clearer display. [DOUBLE SIDED DISPLAY]: This plastic display Stand is designed with a vertical double sided stand.Sign Holder displays and protects on both sides with great clear visibility .Typically, people prefer these double-sided holders because these double-sided holders allow you to display on both sides, unlike others type which only allow you to display on one side. [BOTTOM LOADING DESIGN]: This sign holder stands on its own vertically , Easily load or swap out your photos or documents from the bottom of the sign holder.This loading feature provides the added value of keeping out water, dust, and debris from entering the display from the top.and this design effectively prevents the paper from falling. [Widely Used]The acrylic sign holder is available 6 packs to meet your various needs, perfect for home, office, school, restaurant, promotions, church, hotel, trade shows, reception areas, weddings, etc. [Triangular Groove Design On The Base] Our acrylic sign stand have rounded corners and polished edges during the production process, which can protect your hands from injury. Easy to use. Push and pull the base, put the picture you need to display into the sign rack, you can clearly display the picture you want. Without tag paper tip: Label paper not included size: 21 x 29.7cm Material: Acrylic colour: transparent Package Contents: 6 x Sign Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.