Guitar Strap for Acoustic and Electric Guitar. Black & Blue Nylon + Free Picks. Free and Fast Shipping! (From Magik Wagon) A great gift choice for this season! - This guitar strap works great with both acoustic and electric guitars Strap length is adjustable from 27" to 47" This guitar strap is made of black and blue nylon and synthetic leather ends. Package includes: 4 guitar picks, random colors and thickness + 2 black rubber strap locks, to protect your guitar FREE AND FAST SHIPPING! -- Same business day shipping!