Curing Light Sleeve, Custom Fit for KERR DEMI ULTRA 100/Bx. TIDIShield Curing Light Sleeves with The SureCure Window is proven to provide cured restorations equal to those where no barrier is used. Unique individually wrapped, easy-peel outer wrapping protects inner sleeve from contamination. Keeps LED tip clean. Latex free. Box of 100 sleeves