materials: Our crown and bridge pillow boxes are made of sturdy material, and non-. is equipped with small locking buckles to help keep the plastic box closed during transportation, while protecting the crown and bridge placed inside. Transparent design: Our crown and bridge tooth patch boxes are designed with transparency, including two transparent membranes. A dental restoration placed between two transparent membranes creates the illusion of a crown floating in the air, while being fixed in the zero motion area. Small and exquisite: The pillow crown box with 2 transparent films that can fix dental restorations in place. The size is small and easy to go out, and can keep your veneers clean, dry, and tidy. Cruel occasions: Teeth and dental boxes are used in dental laboratories, clinics, or hospitals. This box can accommodate sizes of restorations and can be easily cleaned in a dishwasher. Flexibility of use: In addition to its primary purpose in dental laboratories, it can also be used for storing jewelry, small orthodontic appliances, and tissue purposes. Material: plastic colour: Transparent Package Contents: 5 x Pillow Crown Box 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.