Thanks to its singing function, this greeting card will keep looping mum, mum, mum, all you have to do is close the card, remove the battery divider and hand it to your mother. When you tear open the card, sequins will spill out. A foldable design that will surprise your mum when she opens it, this greeting card is well made with a smooth surface that won't fade easily and will last a long time. It is constructed of paper material. The foldable length of this card is 14cm, and the width is 10.5cm. The length of the opening card is 14cm, and the width is 21cm. The length of the envelop is 17cm, and the width is 11.5cm. It is suitable for mother's day. Item Name:Greeting Card Power Supply:Battery Powered Features:with Mom Music, Smooth Writing, Simple Operation Style:A/B/C Colour:As Shown Material:Paper Package Contents: 1 x Greeting Card 1 x Envelope / 2 x Greeting Card 2 x Envelope Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.