This stiff clear material is ideal for hard splints, thin splints, surgical trays, orthodontic retainers and bleaching trays. The material sticks to acrylics for various dental appliances. The versatile splint material will surely be used in any lab or office. Thicker option to work with with fine and hard splints, surgical trays, retainers and whitening trays. Carries less risk of bubble formation than other splint materials due to its thickness. Becomes completely transparent once the process is finished heating. The material sticks to acrylics for various dental appliances. This stiff clear material is ideal for hard splints, thin splints, surgical trays, orthodontic retainers and bleaching trays. The versatile splint material will surely be used in any lab or office.