Complete Whitening Kit — Includes 10 x 3cc gel syringes, 2 LED accelerator lights, 4 mouth trays, 2 shade guides, and 1 instruction sheet 10 x 3cc Gel Syringes — Comes with a generous supply of 44% carbamide peroxide whitening gel for multiple applications 2 LED Accelerator Lights — Includes two LED lights designed to support your at-home whitening routine 4 Mouth Trays Included — Comes with 4 trays for upper and lower teeth, giving you the key accessories needed to get started Track Progress Easily — Includes 2 shade guides so users can compare tooth shade before and during use White Teeth Global Whitening Kit is an at-home teeth whitening system with the key accessories included for multiple applications. The kit includes 10 x 3cc syringes of 44% carbamide peroxide whitening gel, 2 LED accelerator lights, 4 mouth trays, 2 shade guides, and an instruction sheet. Designed for customers who want a complete whitening kit in one box, it includes shade guides to help track progress and multiple trays for upper and lower teeth. Follow the included instructions carefully. As with high-strength whitening gels, sensitivity or gum irritation may occur. Avoid use on irritated gums or dental restorations. Use only as directed; consult a dental professional if unsure.