About regular inner tray

There are many kind of inner tray,the regular inner tray is below

1,EVA tray

This material is so high-grade,it can make any hole,it can hold the product so tight,this tray price is high,and it will have a little smell,it can do small quantity,it surface can attach velvet or paper

2,EPE tray

This tray will softer than EVA,it price will also cheaper than EVA,so many customer will choose EPE tray instead of EVA,or some customer will make EPE below and top EVA.

3,sponge tray

This tray is so soft,it not fit to hold the heavy product,it price cheap,it can attach velvet

4,plastic tray

This tray can make any shape of the hole,it can hold produst so tight,it good for make for the product need so thick to hold it,it price is cheap,but it usually need more quantity

5,paper tray

Paper tray can make so many shape,it also can printing so nice,but it need fold it by hand,some product can not hold by paper tray so tight,it price cheap