As one of its daily deals, PricePlunge cuts up to 88% off a selection of Built laptop sleeves. Plus, take an extra 5% off via coupon code "sumperc5". Shipping add $3.99. Deal ends today. The sleeves after coupon:

• Built Neoprene 13" Laptop Sleeve in Dark Grey/Black for $4.74 (low by $11)
• Built Neoprene 15" Laptop Sleeve in Dark Grey/Black for $5.69 (low by $2)
• Built Neoprene 17" Laptop Sleeve in Dark Grey/Black for $7.59 (low by $3)