Materials: Cotton lace - Strap: Approximately 1m Size: Approximately 10cm x 19.5cm Can be used year-round with cotton lace. Lightweight and convenient, so your smartphone won't get lost in your bag. The lace is thin and compact, and it's firmly knitted with two strands. Hand washable. (Can be washed in a washing machine using a laundry net) Please understand that this is handmade, so there may be some irregularities in the knitting. Thank you for viewing.