Children with developmental disabilities may have a tendency to bite due to their development and characteristics. They may bite to gain a sense of security or to relieve anxiety. However, if they put things they shouldn't bite, such as clothing, in their mouths, stopping the behavior can lead to stress and tantrums. This item can be used in such situations⭐︎ (Of course, adults can also use it.) It's a necklace, so you can always wear it♪ Having something "okay to bite" will allow parents and children to spend time together with peace of mind, even when they're out and about☺︎ Size Length: 6 cm Width: 2 cm Thickness: 1 cm The cord is adjustable! This is for one pink one. Available colors: Blue Yellow-green Red Yellow Orange Purple Pink Blue, Pink, Purple: 599 yen Other colors: 649 yen Please comment before purchasing if you would like to change the color or quantity. Changes are not possible after purchase. 50 yen off for the second item onwards. ※ ◎Since this is made overseas, there may be small scratches compared to those made in Japan. ◎Although it is new and unused, it has been opened once for inspection. Ships the same day Anonymous shipping +150 yen Regular mail shipping Due to thickness restrictions, Waterproof packaging + envelope without cushioning material No price reduction