Food grade EVA construction, non-toxic, odorless and soft for safe use. Protect your tooth from damage and prevent biting yourself during boxing, muay and Karate. Feature: Food grade EVA construction, non-toxic, odorless and soft for safe use. Put into water(80-90C) to soften the tooth guard for about 12 seconds before use. Wearing on the upper teeth after softening and adjust it to fit on your teeth. Packed in a transparant box for convenient carry and storage. Great equipment for sports like boxing, muay and karate. Specification: Color: Black / Red / Blue/ Green / White (optional) Material: Food Grade EVA Tooth guard size: 6.5 * 4.6cm / 2.5* 1.8in Box size: 8 * 7 * 3cm / 3.1 * 2.7 * 1.1in Package weight: 30g / 1.0oz Package size: 8 * 8 * 4cm / 3.1 * 3.1 * 1.5in Package List: 1 * Teeth Guarding