I would appreciate it if you would read the profile. ❁*·⑅❁*·⑅❁*·⑅❁*·⑅❁*·⑅ ❁*·⑅❁*·⑅❁*·⑅❁ ⚫︎Neck size → Adjustable from 14cm to 26cm ⚫︎String width → Approximately 7mm ⚫︎Bell → 6mm / Made-in-Japan Horai Bell ⚫︎Pearl-like bead charm → 15mm x 8mm ※ Approximate sizes. ❁*·⑅❁*·⑅❁*·⑅❁*·⑅❁*·⑅ ❁*·⑅❁*·⑅❁*·⑅❁ Handmade product. Made with cotton amunzen fabric. The yarn core makes it soft and lightweight. I think it will reduce stress. ✔️ Slide the knots on both sides to widen it. Put it over the face, then Adjust it to the appropriate size. You can wear it without untying the knots. ✔️ Consider the size of the face and If the collar gets caught, Choose the size that will loosen and come off for safety. ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ ❁ If you are unsure about choosing a size ❁ Measure the nude size while sitting. 【= Snug fit without extra space】 The appropriate size is that size plus about 3-5cm. The guideline is a gap where 2-3 human fingers can fit. For kittens, about 2-3cm. It's best if 1-2 fingers can fit. This is just a guide, so please use it as a reference. ❁ To keep it clean ❁ Wipe it gently with a pet shampoo towel, etc., to keep it clean. ❁ The photo shows the smallest size ʕ•ᴥ•ʔ