Flexible elastic strap $ 8.50 Applicable brands: apple/ Apple 1. Compatibility: suitable for Apple Watch straps 42mm / 38mm / 40mm / 44mm, 6 5 4 3 2 1 series, suitable for Apple Watch SE 40mm 44mm 2. Material: It is made of high quality silicone material. This tape is soft, elastic and very durable.